chsh - change login shell
command changes the user login shell. This determines the name
of the user's initial login command. A normal user may only change the login
shell for her own account; the superuser may change the login shell for any
The options which apply to the chsh
Display help message and exit.
, --root CHROOT_DIR
Apply changes in the CHROOT_DIR
directory and use the configuration files from the CHROOT_DIR
, --shell SHELL
The name of the user's new login shell.
Setting this field to blank causes the system to select the default login
If the -s
option is not selected, chsh
operates in an interactive
fashion, prompting the user with the current login shell. Enter the new value
to change the shell, or leave the line blank to use the current one. The
current shell is displayed between a pair of [ ]
The only restriction placed on the login shell is that the command name must be
listed in /etc/shells, unless the invoker is the superuser, and then any value
may be added. An account with a restricted login shell may not change her
login shell. For this reason, placing /bin/rsh in /etc/shells is discouraged
since accidentally changing to a restricted shell would prevent the user from
ever changing her login shell back to its original value.
User account information.
List of valid login shells.
Shadow password suite configuration.