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027-the-whoami-command.md

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The whoami command

The whoami command displays the username of the current effective user. In other words it just prints the username of the currently logged in user when executed.

To display your effective user id just type whoami in your terminal:

manish@godsmack:~$ whoami 
# Output:
manish

Syntax:

whoami [-OPTION]

There are only two options which can be passed to it :

  • --help: Used to display the help and exit

Example:

whoami --help

Output:

Usage: whoami [OPTION]...
Print the user name associated with the current effective user ID.
Same as id -un.

      --help     display this help and exit
      --version  output version information and exit
  • --version: Output version information and exit

Example:

whoami --version

Output:

whoami (GNU coreutils) 8.32
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Richard Mlynarik.