011-the-help-command.md

The help command

In linux, help command displays information about the builtin commands.

Example

$ help ls

The syntax of help command is :

$ help [-dms] [pattern...] 

Options :

  -d         -->   output short description for each topic
  -m         -->   displays usage in pseudo-manpage format
  -s         -->   output only a short usage synopsis for each topic matching PATTERN

Arguments :
    PATTERN     Pattern specifying a help topic