Linux in a Nutshell, 6th Edition

Options

If both single- and multi-character options appear on the command line, the multi-character options must appear first.

-, --

End option processing.

-c str

Read commands from string str.

-D, --dump-strings

Print all $”...” strings in the program.

--debugger

Read the debugging profile at startup, turn on the extdebug option to shopt, and enable function tracing. For use by the Bash debugger.

--dump-po-strings

Same as -D, but output in GNU gettext po (portable object) format.

--help

Print a usage message and exit successfully

-i

Create an interactive shell (prompt for input).

--init-file file, --rcfile file

Use file as the startup file instead of ~/.bashrc for interactive shells.

--login

Shell is a login shell.

--noediting

Do not use the readline library for input, even in an interactive shell.

--noprofile

Do not read /etc/profile or any of the personal startup files.

--norc

Do not read ~/.bashrc. Enabled automatically when invoked as sh.

-O option

Enable the shopt built-in command option option.

-p

Start up as a privileged user. Don’t read $ENV or $BASH_ENV, don’t import functions from the environment, and ignore the value of $SHELLOPTS.

--posix

Turn on POSIX mode.

-r, --restricted

Create a restricted shell.

-s

Read commands from standard input; output from built-in commands goes to file descriptor 1 (standard output); all other shell output goes to file descriptor 2 (standard error).

--verbose

Same as set -v; the shell prints lines as it reads them.

--version

Print a version message and exit.

The remaining options ...