Help

help

Show help for shell builtins.

helpmanualreference

Additional Notes

help is a help command used to show help for shell builtins. It displays usage information for bash builtins such as cd, echo, and read. Unlike man pages, it does not require any external tools or pagers.

Syntax

help [options] [arguments]

Parameters

  • options: Flags that change how help behaves.
  • topic: Command, keyword, manual page, or subject to search for.
  • section: Optional manual section or documentation area.

Common Options

  • --help: Show command help when supported.
  • --version: Show version information when supported.

Examples

help --help
man help

Practical Notes

Options can vary by distribution and package version. Use man help, help --help, or the package documentation for exact syntax.