diff --git a/README.md b/README.md
index 7b02ad191..aa5f30d8a 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ Open RV is currently supported on the following operating systems:
 * [Linux Rocky 8](docs/build_system/config_linux_rocky8.md)
 * [Linux Rocky 9](docs/build_system/config_linux_rocky9.md)
 
-Support for other operating systems is on a best effort basis.
+Support for other [operating systems](docs/build_system) is on a best effort basis.
 
 ## Building RV
 
diff --git a/docs/build_system/config_linux_rocky8.md b/docs/build_system/config_linux_rocky8.md
index 7535dc155..8ba9982f0 100644
--- a/docs/build_system/config_linux_rocky8.md
+++ b/docs/build_system/config_linux_rocky8.md
@@ -25,7 +25,7 @@ Some of the build dependencies come from outside the main AppStream repo. So fir
 ```bash
 sudo dnf install epel-release
 sudo dnf config-manager --set-enabled powertools
-sudo dnf install alsa-lib-devel autoconf automake avahi-compat-libdns_sd-devel bison bzip2-devel cmake-gui curl-devel flex gcc gcc-c++ libXcomposite libXi-devel libaio-devel libffi-devel nasm ncurses-devel nss libtool libxkbcommon libXcomposite libXdamage libXrandr libXtst libXcursor mesa-libOSMesa mesa-libOSMesa-devel meson ninja-build openssl-devel patch pulseaudio-libs pulseaudio-libs-glib2 ocl-icd ocl-icd-devel opencl-headers python3 python3-devel qt5-qtbase-devel readline-devel sqlite-devel systemd-devel tcl-devel tcsh tk-devel yasm zip zlib-devel
+sudo dnf install alsa-lib-devel autoconf automake avahi-compat-libdns_sd-devel bison bzip2-devel cmake-gui curl-devel flex gcc gcc-c++ libXcomposite libXi-devel libaio-devel libffi-devel nasm ncurses-devel nss libtool libxkbcommon libXcomposite libXdamage libXrandr libXtst libXcursor mesa-libOSMesa mesa-libOSMesa-devel meson ninja-build openssl-devel patch pulseaudio-libs pulseaudio-libs-glib2 ocl-icd ocl-icd-devel opencl-headers python3 python3-devel qt5-qtbase-devel readline-devel sqlite-devel tcl-devel tcsh tk-devel yasm zip zlib-devel
 ```
 
 You can disable the devel repo afterwards since dnf will warn about it:
@@ -51,7 +51,7 @@ python3 -m pip install -r requirements.txt
 
 ## Install CMake
 
-You need CMake version 3.27+ to build RV. The dnf-installable version is not quite recent enough, you'll need to build and install CMake from source.
+You need CMake version 3.27+ to build RV. The dnf-installable version is not quite recent enough, you'll to build and install CMake from sources.
 
 ```bash
 wget https://github.com/Kitware/CMake/releases/download/v3.30.3/cmake-3.30.3.tar.gz
diff --git a/packages/rv/rv.install_handler_linux b/packages/rv/rv.install_handler_linux
index 3af343351..00f533305 100755
--- a/packages/rv/rv.install_handler_linux
+++ b/packages/rv/rv.install_handler_linux
@@ -1,65 +1,58 @@
-#!/bin/tcsh -f
-#
+#!/bin/sh
+
 #
-#    This script attempts to register RV as the protocol hander for
-#    links that look like rvlink://blah.  
+# This script attempts to register RV as the protocol hander for
+# links that look like rvlink://blah.
 #
-#    It should be sufficient for gnome apps like pidgin and kde apps
-#    like konqueror.  Firefox seems to pay attention to the gnome
-#    settings at least to the degree that it recognizes links of the
-#    form rvlink://blah as hot-links, but it may still ask you to
-#    select the application the first time you click on one.
+# It should be sufficient for gnome apps like pidgin and kde apps
+# like konqueror.  Firefox seems to pay attention to the gnome
+# settings at least to the degree that it recognizes links of the
+# form rvlink://blah as hot-links, but it may still ask you to
+# select the application the first time you click on one.
 #
-#    We (tweak) are not expert on this stuff, so if you have ideas
-#    about how to do this better or more completely, please let us
-#    know !  (support@tweakadmin.com)
+# We (tweak) are not expert on this stuff, so if you have ideas
+# about how to do this better or more completely, please let us
+# know !  (support@tweakadmin.com)
 #
 
-if (! $?RV_HOME) then
-    pushd `dirname $0` >& /dev/null
-    setenv RV_HOME `dirname ${cwd}`
-    popd >& /dev/null
-endif
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-set rv = "$RV_HOME/bin/rv"
+export rv="$RV_HOME/bin/rv"
 
-#
-#   Gnome: register rv as rvlink protocol handler
-#
 echo "Installing rvlink protocol handler for Gnome."
 
-set gconfTool = "`which gconftool-2`"
-
-if ($status == 0) then
+if which gconftool-2; then
     gconftool-2 --set --type=string /desktop/gnome/url-handlers/rvlink/command $rv' "%s"'
     gconftool-2 --set --type=bool /desktop/gnome/url-handlers/rvlink/enabled true
     gconftool-2 --set --type=bool /desktop/gnome/url-handlers/rvlink/need-terminal false
 else
     echo "WARNING: gconftool-2 not found: skipping gnome url-handler registration."
-endif
+fi
 
-#
-#   KDE: register rv as rvlink protocol handler
-#   If you want to install this system wide copy the rvlink.protocol file to /usr/share/kde4/services/
-#
+# If you want to install this system wide copy the rvlink.protocol file to /usr/share/kde4/services/
 echo "Installing rvlink protocol handler for KDE."
 
-set kdeProtoDir = ~/.kde/share/services
-if ( -e ~/.kde4/share/services ) then
-    set kdeProtoDir = ~/.kde4/share/services
-endif
-if (${?KDEDIR}) then
-    set kdeProtoDir = ${KDEDIR}/share/services
-endif
+kdeProtoDir="$HOME/.kde/share/services"
+if [ -e "$HOME/.kde4/share/services" ]; then
+    kdeProtoDir="$HOME/.kde4/share/services"
+fi
+if [ -n "$KDEDIR" ]; then
+    kdeProtoDir="$KDEDIR/share/services"
+fi
 
-if ( ! -e $kdeProtoDir) then
-    mkdir -p $kdeProtoDir
-endif
+if [ ! -e "$kdeProtoDir" ]; then
+    mkdir -p "$kdeProtoDir"
+fi
 
-if ( -e $kdeProtoDir) then
-    set kdeProtoFile = $kdeProtoDir/rvlink.protocol
-    rm -f $kdeProtoFile
-    cat > $kdeProtoFile << EOF
+if [ -e "$kdeProtoDir" ]; then
+    kdeProtoFile="$kdeProtoDir/rvlink.protocol"
+    rm -f "$kdeProtoFile"
+    cat > "$kdeProtoFile" << EOF
 [Protocol]
 exec=$rv "%u"
 protocol=rvlink
@@ -72,30 +65,25 @@ writing=false
 makedir=false
 deleting=false
 EOF
-    echo "Successfully created ${kdeProtoFile}"
+    echo "Successfully created $kdeProtoFile"
 else
-    echo "WARNING: can't find or create KDE protocol directory: ${kdeProtoDir}:  skipping KDE url-handler registration."
-endif
+    echo "WARNING: Can't find or create KDE protocol directory: $kdeProtoDir. Skipping KDE url-handler registration."
+fi
 
-#
-#   Gnome part 2 for xdg/Chrome: register rv as rvlink protocol handler
-#   If you want to install this system wide run the desktop-file-install as sudo/root
-#   and remove the --dir= bit.
-#
+# If you want to install this system wide run the desktop-file-install as sudo/root
+# and remove the --dir= bit.
 echo "Installing rvlink protocol handler for XDG"
 
-set desktopInstall = "`which desktop-file-install`"
-
-if ($status == 0) then
-    set xdgDir = $HOME/.local/share/applications
-    if ( ! -e $xdgDir ) then
-        mkdir -p $xdgDir
-    endif
+if which desktop-file-install; then
+    xdgDir=$HOME/.local/share/applications
+    if [ ! -e "$xdgDir" ]; then
+        mkdir -p "$xdgDir"
+    fi
 
-    if ( -e $xdgDir) then
-        set xdgFile = $xdgDir/rv.desktop
-        rm -f $xdgFile
-        cat > $xdgFile << EOF
+    if [ ! -e "$xdgDir" ]; then
+        xdgFile="$xdgDir/rv.desktop"
+        rm -f "$xdgFile"
+        cat > "$xdgFile" << EOF
 [Desktop Entry]
 Name=RVLink
 Type=Application
@@ -105,14 +93,14 @@ Categories=AudioVideo;Viewer;Player;
 MimeType=x-scheme-handler/rvlink;
 NoDisplay=true
 EOF
-        echo "Successfully created ${xdgFile}"
+        echo "Successfully created $xdgFile"
     else
-        echo "WARNING: can't find or create XDG directory: ${xdgDir}:  skipping XDG url-handler registration."
-    endif
+        echo "WARNING: Can't find or create XDG directory: $xdgDir. Skipping XDG url-handler registration."
+    fi
 
-    desktop-file-install $xdgFile --rebuild-mime-info-cache --dir=$xdgDir
+    desktop-file-install "$xdgFile" --rebuild-mime-info-cache --dir="$xdgDir"
 else
-    echo "WARNING: desktop-file-install not found: skipping xdg-handler registration."
-endif
+    echo "WARNING: desktop-file-install not found: Skipping xdg-handler registration."
+fi
 
 echo "Done."
diff --git a/packages/rv/rv.install_handler_linux_rvpush b/packages/rv/rv.install_handler_linux_rvpush
index f8a23aa0d..e177605b0 100755
--- a/packages/rv/rv.install_handler_linux_rvpush
+++ b/packages/rv/rv.install_handler_linux_rvpush
@@ -1,65 +1,58 @@
-#!/bin/tcsh -f
-#
+#!/bin/sh
+
 #
-#    This script attempts to register RV as the protocol hander for
-#    links that look like rvlink://blah.  
+# This script attempts to register RV as the protocol hander for
+# links that look like rvlink://blah.
 #
-#    It should be sufficient for gnome apps like pidgin and kde apps
-#    like konqueror.  Firefox seems to pay attention to the gnome
-#    settings at least to the degree that it recognizes links of the
-#    form rvlink://blah as hot-links, but it may still ask you to
-#    select the application the first time you click on one.
+# It should be sufficient for gnome apps like pidgin and kde apps
+# like konqueror.  Firefox seems to pay attention to the gnome
+# settings at least to the degree that it recognizes links of the
+# form rvlink://blah as hot-links, but it may still ask you to
+# select the application the first time you click on one.
 #
-#    We (tweak) are not expert on this stuff, so if you have ideas
-#    about how to do this better or more completely, please let us
-#    know !  (support@tweakadmin.com)
+# We (tweak) are not expert on this stuff, so if you have ideas
+# about how to do this better or more completely, please let us
+# know !  (support@tweakadmin.com)
 #
 
-if (! $?RV_HOME) then
-    pushd `dirname $0` >& /dev/null
-    setenv RV_HOME `dirname ${cwd}`
-    popd >& /dev/null
-endif
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-set rvpush = "$RV_HOME/bin/rvpush"
+export rvpush="$RV_HOME/bin/rvpush"
 
-#
-#   Gnome: register rv as rvlink protocol handler
-#
 echo "Installing rvlink protocol handler for Gnome."
 
-set gconfTool = "`which gconftool-2`"
-
-if ($status == 0) then
-    gconftool-2 --set --type=string /desktop/gnome/url-handlers/rvlink/command $rvpush' -tag rvlink url "%s"'
+if which gconftool-2; then
+    gconftool-2 --set --type=string /desktop/gnome/url-handlers/rvlink/command $rv' "%s"'
     gconftool-2 --set --type=bool /desktop/gnome/url-handlers/rvlink/enabled true
     gconftool-2 --set --type=bool /desktop/gnome/url-handlers/rvlink/need-terminal false
 else
     echo "WARNING: gconftool-2 not found: skipping gnome url-handler registration."
-endif
+fi
 
-#
-#   KDE: register rv as rvlink protocol handler
-#   If you want to install this system wide copy the rvlink.protocol file to /usr/share/kde4/services/
-#
+# If you want to install this system wide copy the rvlink.protocol file to /usr/share/kde4/services/
 echo "Installing rvlink protocol handler for KDE."
 
-set kdeProtoDir = ~/.kde/share/services
-if ( -e ~/.kde4/share/services ) then
-    set kdeProtoDir = ~/.kde4/share/services
-endif
-if (${?KDEDIR}) then
-    set kdeProtoDir = ${KDEDIR}/share/services
-endif
+kdeProtoDir="$HOME/.kde/share/services"
+if [ -e "$HOME/.kde4/share/services" ]; then
+    kdeProtoDir="$HOME/.kde4/share/services"
+fi
+if [ -n "$KDEDIR" ]; then
+    kdeProtoDir="$KDEDIR/share/services"
+fi
 
-if ( ! -e $kdeProtoDir) then
-    mkdir -p $kdeProtoDir
-endif
+if [ ! -e "$kdeProtoDir" ]; then
+    mkdir -p "$kdeProtoDir"
+fi
 
-if ( -e $kdeProtoDir) then
-    set kdeProtoFile = $kdeProtoDir/rvlink.protocol
-    rm -f $kdeProtoFile
-    cat > $kdeProtoFile << EOF
+if [ -e "$kdeProtoDir" ]; then
+    kdeProtoFile="$kdeProtoDir/rvlink.protocol"
+    rm -f "$kdeProtoFile"
+    cat > "$kdeProtoFile" << EOF
 [Protocol]
 exec=$rvpush -tag rvlink url "%u"
 protocol=rvlink
@@ -72,30 +65,25 @@ writing=false
 makedir=false
 deleting=false
 EOF
-    echo "Successfully created ${kdeProtoFile}"
+    echo "Successfully created $kdeProtoFile"
 else
-    echo "WARNING: can't find or create KDE protocol directory: ${kdeProtoDir}:  skipping KDE url-handler registration."
-endif
+    echo "WARNING: Can't find or create KDE protocol directory: $kdeProtoDir. Skipping KDE url-handler registration."
+fi
 
-#
-#   Gnome part 2 for xdg/Chrome: register rv as rvlink protocol handler
-#   If you want to install this system wide run the desktop-file-install as sudo/root
-#   and remove the --dir= bit.
-#
+# If you want to install this system wide run the desktop-file-install as sudo/root
+# and remove the --dir= bit.
 echo "Installing rvlink protocol handler for XDG"
 
-set desktopInstall = "`which desktop-file-install`"
-
-if ($status == 0) then
-    set xdgDir = $HOME/.local/share/applications
-    if ( ! -e $xdgDir ) then
-        mkdir -p $xdgDir
-    endif
+if which desktop-file-install; then
+    xdgDir=$HOME/.local/share/applications
+    if [ ! -e "$xdgDir" ]; then
+        mkdir -p "$xdgDir"
+    fi
 
-    if ( -e $xdgDir) then
-        set xdgFile = $xdgDir/rv.desktop
-        rm -f $xdgFile
-        cat > $xdgFile << EOF
+    if [ ! -e "$xdgDir" ]; then
+        xdgFile="$xdgDir/rv.desktop"
+        rm -f "$xdgFile"
+        cat > "$xdgFile" << EOF
 [Desktop Entry]
 Name=RVLink
 Type=Application
@@ -105,14 +93,14 @@ Categories=AudioVideo;Viewer;Player;
 MimeType=x-scheme-handler/rvlink;
 NoDisplay=true
 EOF
-        echo "Successfully created ${xdgFile}"
+        echo "Successfully created $xdgFile"
     else
-        echo "WARNING: can't find or create XDG directory: ${xdgDir}:  skipping XDG url-handler registration."
-    endif
+        echo "WARNING: Can't find or create XDG directory: $xdgDir. Skipping XDG url-handler registration."
+    fi
 
-    desktop-file-install $xdgFile --rebuild-mime-info-cache --dir=$xdgDir
+    desktop-file-install "$xdgFile" --rebuild-mime-info-cache --dir="$xdgDir"
 else
-    echo "WARNING: desktop-file-install not found: skipping xdg-handler registration."
-endif
+    echo "WARNING: desktop-file-install not found: Skipping xdg-handler registration."
+fi
 
 echo "Done."
diff --git a/src/bin/apps/rv/rv.wrapper b/src/bin/apps/rv/rv.wrapper
index be353ddff..1d6f6a305 100644
--- a/src/bin/apps/rv/rv.wrapper
+++ b/src/bin/apps/rv/rv.wrapper
@@ -1,97 +1,63 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
-#
-# Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
-#
-# SPDX-License-Identifier: Apache-2.0
-#
+# Uncomment this if you want to use the pulseaudio/libsndfile package mismatch
+# workaround below.
+# export RV_USE_PULSEAUDIO_WORKAROUND=1
 
-#
-#   This script sets the RV_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
-#
-#   NOTE: doesn't properly set RV_HOME if invoked from a link to the script
-#   and RV_HOME is not already set
-#
-
-set noglob
-
-#
-#   Uncomment this if you want to use the pulseaudio/libsndfile package mismatch
-#   workaround below.
-#
-#setenv RV_USE_PULSEAUDIO_WORKAROUND 1
-
-#
-#   Workaround for pulseaudio/libsndfile package mismatch on FC/Cent that causes
-#   crash when accessing preferences.
-#
-if ((-e /usr/bin/padsp) && $?RV_USE_PULSEAUDIO_WORKAROUND) then 
-    setenv OPTIONAL_PADSP /usr/bin/padsp 
-else 
-    setenv OPTIONAL_PADSP "" 
-endif
+# Workaround for pulseaudio/libsndfile package mismatch on FC/Cent that causes
+# crash when accessing preferences.
+if [ -e /usr/bin/padsp ] && [ -n "$RV_USE_PULSEAUDIO_WORKAROUND" ]; then
+    export OPTIONAL_PADSP="/usr/bin/padsp"
+else
+    export OPTIONAL_PADSP=""
+fi
 
-if ($?QT_PLUGIN_PATH) then 
+if [ -n "$QT_PLUGIN_PATH" ]; then
     echo "INFO: warning: QT_PLUGIN_PATH is set, which can cause RV to load the wrong Qt libraries/plugins.  Unsetting..."
-    unsetenv QT_PLUGIN_PATH
-endif
+    unset QT_PLUGIN_PATH
+fi
 
-#
-#   Uncomment this if you're on an older linux distro and RV is hanging in
-#   the Audio preferences or on startup with audio sources
-#
-#setenv PA_ALSA_EXCLUDE_DMIX_DEFAULT 1
+# Uncomment this if you're on an older linux distro and RV is hanging in
+# the Audio preferences or on startup with audio sources
+# export PA_ALSA_EXCLUDE_DMIX_DEFAULT=1
 
-#
-#   For unknown reasons, LANG causes problems when set to
-#   interesting values (like fr_FR.UTF-8).
-#
-unsetenv LANG
+# For unknown reasons, LANG causes problems when set to
+# interesting values (like fr_FR.UTF-8).
+unset LANG
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+if [ -z "$RV_HOME" ]; then
+    current_dir=$(dirname "$(readlink -f "$0")" )
+    root_dir=$(dirname "$current_dir" )
+    export RV_HOME="$root_dir"
+fi
 
-set platform = i386
-set rvbin = "$RV_HOME/bin/rv.bin.$platform"
+rvbin="$RV_HOME/bin/rv.bin.i386"
+if [ ! -e "$rvbin" ]; then
+    rvbin="$RV_HOME/bin/rv.bin"
+fi
 
-if (! (-e $rvbin) ) then
-    set rvbin = "$RV_HOME/bin/rv.bin"
-endif
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
-
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$( openssl version | grep 1.1.1 )
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH="$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
 
 # exec RV
-
-
-if ("x$1" == "x") then
-    # No parameter supplied, just execute app
-    exec $OPTIONAL_PADSP $rvbin $*:q
+if [ "$1" = "-d" ] || [ "$1" = "--debug" ]; then
+  shift  # skip '-d / --debug'
+    gdb "${OPTIONAL_PADSP}${rvbin}" "$@"
 else
-    if ( "$1" == "-d" || "$1" == "--debug") then
-	    shift  # skip '-d / --debug'
-        gdb $OPTIONAL_PADSP $rvbin $*:q
-    else
-        exec $OPTIONAL_PADSP $rvbin $*:q
-    endif
-endif
+    exec "${OPTIONAL_PADSP}${rvbin}" "$@"
+fi
diff --git a/src/bin/apps/rvpkg/rvpkg.wrapper b/src/bin/apps/rvpkg/rvpkg.wrapper
index 75fad2592..e76a0f685 100644
--- a/src/bin/apps/rvpkg/rvpkg.wrapper
+++ b/src/bin/apps/rvpkg/rvpkg.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,59 +7,61 @@
 #
 
 #
-#   This script sets the RV_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set RV_HOME if invoked from a link to the script
-#   and RV_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
+set -o noglob
 
-#
-#   Uncomment this if you're on an older linux distro and RV is hanging in
-#   the Audio preferences or on startup with audio sources
-#
-#setenv PA_ALSA_EXCLUDE_DMIX_DEFAULT 1
+# Uncomment this if you're on an older linux distro and RV is hanging in
+# the Audio preferences or on startup with audio sources
+# export PA_ALSA_EXCLUDE_DMIX_DEFAULT=1
 
-#
-#   For unknown reasons, LANG causes problems when set to
-#   interesting values (like fr_FR.UTF-8).
-#
-unsetenv LANG
+# For unknown reasons, LANG causes problems when set to
+# interesting values (like fr_FR.UTF-8).
+unset LANG
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-set platform = i386
-set rvpkgbin = "$RV_HOME/bin/rvpkg.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $rvpkgbin) ) then
-    set rvpkgbin = "$RV_HOME/bin/rvpkg.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
+
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec RV
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
 
-exec $rvpkgbin $*:q
+exec "$bin" "$@"
diff --git a/src/bin/apps/rvprof/rvprof.wrapper b/src/bin/apps/rvprof/rvprof.wrapper
index f06d60269..e76a0f685 100644
--- a/src/bin/apps/rvprof/rvprof.wrapper
+++ b/src/bin/apps/rvprof/rvprof.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,59 +7,61 @@
 #
 
 #
-#   This script sets the RV_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set RV_HOME if invoked from a link to the script
-#   and RV_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
+set -o noglob
 
-#
-#   Uncomment this if you're on an older linux distro and RV is hanging in
-#   the Audio preferences or on startup with audio sources
-#
-#setenv PA_ALSA_EXCLUDE_DMIX_DEFAULT 1
+# Uncomment this if you're on an older linux distro and RV is hanging in
+# the Audio preferences or on startup with audio sources
+# export PA_ALSA_EXCLUDE_DMIX_DEFAULT=1
 
-#
-#   For unknown reasons, LANG causes problems when set to
-#   interesting values (like fr_FR.UTF-8).
-#
-unsetenv LANG
+# For unknown reasons, LANG causes problems when set to
+# interesting values (like fr_FR.UTF-8).
+unset LANG
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-set platform = i386
-set pvbin = "$RV_HOME/bin/rvprof.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $pvbin) ) then
-    set pvbin = "$RV_HOME/bin/rvprof.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
+
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec bin
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
 
-exec $pvbin $*:q
+exec "$bin" "$@"
diff --git a/src/bin/apps/rvpush/rvpush.wrapper b/src/bin/apps/rvpush/rvpush.wrapper
index 47aa7c412..dede0e51f 100755
--- a/src/bin/apps/rvpush/rvpush.wrapper
+++ b/src/bin/apps/rvpush/rvpush.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = rvpush
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/apps/rvshell/rvshell.wrapper b/src/bin/apps/rvshell/rvshell.wrapper
index 13087810e..dede0e51f 100755
--- a/src/bin/apps/rvshell/rvshell.wrapper
+++ b/src/bin/apps/rvshell/rvshell.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = rvshell
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/gtotools/gtofilter/gtofilter.wrapper b/src/bin/gtotools/gtofilter/gtofilter.wrapper
index 2fb32fa8d..dede0e51f 100755
--- a/src/bin/gtotools/gtofilter/gtofilter.wrapper
+++ b/src/bin/gtotools/gtofilter/gtofilter.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,55 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
+set -o noglob
 
-set noglob
-set name = gtofilter
+name=$(basename "$0")
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/gtotools/gtoimage/gtoimage.wrapper b/src/bin/gtotools/gtoimage/gtoimage.wrapper
index 6ba37306b..a2debc53c 100755
--- a/src/bin/gtotools/gtoimage/gtoimage.wrapper
+++ b/src/bin/gtotools/gtoimage/gtoimage.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,54 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = gtoimage
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
 
 # exec binary
-
-exec $bin $*:q
+exec "$bin" "$@"
diff --git a/src/bin/gtotools/gtoinfo/gtoinfo.wrapper b/src/bin/gtotools/gtoinfo/gtoinfo.wrapper
index 6684c69d0..dede0e51f 100755
--- a/src/bin/gtotools/gtoinfo/gtoinfo.wrapper
+++ b/src/bin/gtotools/gtoinfo/gtoinfo.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = gtoinfo
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/gtotools/gtomerge/gtomerge.wrapper b/src/bin/gtotools/gtomerge/gtomerge.wrapper
index f68fb895b..dede0e51f 100755
--- a/src/bin/gtotools/gtomerge/gtomerge.wrapper
+++ b/src/bin/gtotools/gtomerge/gtomerge.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,44 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = gtomerge
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
-else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
-
-# exec binary
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
 
-exec $bin $*:q
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
+else
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
+
+# Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
+# OpenSSL provided with RV when the required OpenSSL version cannot be found.
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/imgtools/makeFBIOformats/makeFBIOformats.wrapper b/src/bin/imgtools/makeFBIOformats/makeFBIOformats.wrapper
index 08a73ced0..dede0e51f 100755
--- a/src/bin/imgtools/makeFBIOformats/makeFBIOformats.wrapper
+++ b/src/bin/imgtools/makeFBIOformats/makeFBIOformats.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = makeFBIOformats
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/imgtools/makeMovieIOformats/makeMovieIOformats.wrapper b/src/bin/imgtools/makeMovieIOformats/makeMovieIOformats.wrapper
index 3fce4909a..dede0e51f 100755
--- a/src/bin/imgtools/makeMovieIOformats/makeMovieIOformats.wrapper
+++ b/src/bin/imgtools/makeMovieIOformats/makeMovieIOformats.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = makeMovieIOformats
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/imgtools/rmsImageDiff/rmsImageDiff.wrapper b/src/bin/imgtools/rmsImageDiff/rmsImageDiff.wrapper
index 3b082f949..dede0e51f 100755
--- a/src/bin/imgtools/rmsImageDiff/rmsImageDiff.wrapper
+++ b/src/bin/imgtools/rmsImageDiff/rmsImageDiff.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = rmsImageDiff
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/imgtools/rvio/rvio.wrapper b/src/bin/imgtools/rvio/rvio.wrapper
index 49fe9e90a..dede0e51f 100755
--- a/src/bin/imgtools/rvio/rvio.wrapper
+++ b/src/bin/imgtools/rvio/rvio.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = rvio
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-#echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/imgtools/rvio_sw/rvio_sw.wrapper b/src/bin/imgtools/rvio_sw/rvio_sw.wrapper
index 0fbc3d27c..dede0e51f 100755
--- a/src/bin/imgtools/rvio_sw/rvio_sw.wrapper
+++ b/src/bin/imgtools/rvio_sw/rvio_sw.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,54 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = rvio_sw
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-#echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/imgtools/rvls/rvls.wrapper b/src/bin/imgtools/rvls/rvls.wrapper
index 6d5e33a87..dede0e51f 100755
--- a/src/bin/imgtools/rvls/rvls.wrapper
+++ b/src/bin/imgtools/rvls/rvls.wrapper
@@ -1,4 +1,4 @@
-#!/bin/tcsh -f
+#!/bin/sh
 
 #
 # Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
@@ -7,53 +7,53 @@
 #
 
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = rvls
+set -o noglob
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+name=$(basename "$0")
 
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/mu/mu-interp/mu-interp.wrapper b/src/bin/mu/mu-interp/mu-interp.wrapper
index b98188da2..dede0e51f 100755
--- a/src/bin/mu/mu-interp/mu-interp.wrapper
+++ b/src/bin/mu/mu-interp/mu-interp.wrapper
@@ -1,53 +1,59 @@
-#!/bin/tcsh -f
+#!/bin/sh
+
+#
+# Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
 #
-#   This script sets the APP_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#   NOTE: doesn't properly set APP_HOME if invoked from a link to the script
-#   and APP_HOME is not already set
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
 
-set noglob
-set name = mu-interp
+set -o noglob
+
+name=$(basename "$0")
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-echo RV_HOME = $RV_HOME
-set platform = i386
-set bin = "$RV_HOME/bin/$name.bin.$platform"
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
 
-if (! (-e $bin) ) then
-    set bin = "$RV_HOME/bin/$name.bin"
-endif
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
 
-if (! (-e $bin) ) then
-    echo "ERROR: binary " $bin " not found"
-    exit(-1)
-endif
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
 
-unsetenv BUILD_ROOT
-setenv PATH "$RV_HOME/bin:${PATH}"
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec binary
-
-exec $bin $*:q
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
+
+exec "$bin" "$@"
diff --git a/src/bin/python/py-interp/py-interp.wrapper b/src/bin/python/py-interp/py-interp.wrapper
index 23e26a7d8..e76a0f685 100644
--- a/src/bin/python/py-interp/py-interp.wrapper
+++ b/src/bin/python/py-interp/py-interp.wrapper
@@ -1,57 +1,67 @@
-#!/bin/tcsh -f
+#!/bin/sh
+
 #
-#   This script sets the RV_HOME environment (if not already set),
-#   makes sure the plugins are the path and launches the actual binary.
+# Copyright (C) 2022  Autodesk, Inc. All Rights Reserved.
 #
-#   NOTE: doesn't properly set RV_HOME if invoked from a link to the script
-#   and RV_HOME is not already set
+# SPDX-License-Identifier: Apache-2.0
 #
 
-set noglob
-
 #
-#   Uncomment this if you're on an older linux distro and RV is hanging in
-#   the Audio preferences or on startup with audio sources
+# This script sets the APP_HOME environment (if not already set),
+# makes sure the plugins are the path and launches the actual binary.
 #
-#setenv PA_ALSA_EXCLUDE_DMIX_DEFAULT 1
-
+# NOTE: doesn't properly set APP_HOME if invoked from a link to the script
+# and APP_HOME is not already set
 #
-#   For unknown reasons, LANG causes problems when set to
-#   interesting values (like fr_FR.UTF-8).
-#
-unsetenv LANG
 
-if (! $?RV_HOME) then
-    set canonicalName = "`readlink -f $0`"
-    set binName = "$canonicalName:h"
-    setenv RV_HOME "$binName:h"
-endif
+set -o noglob
+
+# Uncomment this if you're on an older linux distro and RV is hanging in
+# the Audio preferences or on startup with audio sources
+# export PA_ALSA_EXCLUDE_DMIX_DEFAULT=1
 
-set platform = i386
-set pyinterpbin = "$RV_HOME/bin/py-interp.bin.$platform"
+# For unknown reasons, LANG causes problems when set to
+# interesting values (like fr_FR.UTF-8).
+unset LANG
 
-if (! (-e $pyinterpbin) ) then
-    set pyinterpbin = "$RV_HOME/bin/py-interp.bin"
-endif
+name=$(basename "$0")
 
-setenv PATH "$RV_HOME/bin:${PATH}"
+if [ -z "$RV_HOME" ]; then
+    canonicalName=$(readlink -f "$0")
+    binName=$(dirname "$canonicalName")
+    homeName=$(dirname "$binName")
+    export RV_HOME="$homeName"
+fi
 
-if ($?LD_LIBRARY_PATH) then
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib:$LD_LIBRARY_PATH"
+echo "RV_HOME=$RV_HOME"
+platform=i386
+bin="$RV_HOME/bin/$name.bin.$platform"
+
+if [ ! -e "$bin" ]; then
+    bin="$RV_HOME/bin/$name.bin"
+fi
+
+if [ ! -e "$bin" ]; then
+    echo "ERROR: binary $bin not found"
+    exit 1
+fi
+
+unset BUILD_ROOT
+export PATH="$RV_HOME/bin:$PATH"
+
+if [ -n "$LD_LIBRARY_PATH" ]; then
+     export LD_LIBRARY_PATH="$RV_HOME/lib:$LD_LIBRARY_PATH"
 else
-     setenv LD_LIBRARY_PATH "$RV_HOME/lib"
-endif
+     export LD_LIBRARY_PATH="$RV_HOME/lib"
+fi
 
 # Unless the RV_USE_SYSTEM_OPENSSL environment variable is set, use the
 # OpenSSL provided with RV when the required OpenSSL version cannot be found.
-# 
-if (! $?RV_USE_SYSTEM_OPENSSL) then
-     set required_openssl_found = "`openssl version | grep 1.1.1`"
-     if ( "$required_openssl_found" == "" ) then
-        setenv LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
-     endif
-endif
-
-# exec RV
+if [ -z "$RV_USE_SYSTEM_OPENSSL" ]; then
+     required_openssl_found=$(openssl version | grep 1.1.1)
+     if [ -z "$required_openssl_found" ]; then
+        export LD_LIBRARY_PATH "$RV_HOME/lib/OpenSSL:$LD_LIBRARY_PATH"
+     fi
+fi
 
-exec $pyinterpbin $*:q
+exec "$bin" "$@"