help command

Description:

• Display helpful information about builtin commands.
• If pattern is specified, help gives detailed help on all commands matching pattern, otherwise a list of the builtins is printed.
• Somtimes, there are aliases that overrides the command

Synopis

• help
• [-d]
  • Display a short description of each pattern
• [-m]
  • Display the description of each pattern in a manpage-like format
• [-s]
  • Display only a short usage synopsis for each pattern
• [pattern]