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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | NOTE | FILES | SEE ALSO | COLOPHON |
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CHSH(1) User Commands CHSH(1)
chsh - change login shell
chsh [options] [LOGIN]
The chsh 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 account.
The options which apply to the chsh command are:
-h, --help
Display help message and exit.
-R, --root CHROOT_DIR
Apply changes in the CHROOT_DIR directory and use the
configuration files from the CHROOT_DIR directory. Only
absolute paths are supported.
-s, --shell SHELL
The name of the user's new login shell. Setting this field to
blank causes the system to select the default login shell.
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
[ ] marks.
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.
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.
/etc/passwd
User account information.
/etc/shells
List of valid login shells.
/etc/login.defs
Shadow password suite configuration.
chfn(1), login.defs(5), passwd(5).
This page is part of the shadow-utils (utilities for managing
accounts and shadow password files) project. Information about
the project can be found at
⟨https://github.com/shadow-maint/shadow⟩. If you have a bug report
for this manual page, send it to
[email protected]. This page was obtained
from the project's upstream Git repository
⟨https://github.com/shadow-maint/shadow⟩ on 2025-02-02. (At that
time, the date of the most recent commit that was found in the
repository was 2025-01-26.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
shadow-utils 4.14.0 06/15/2024 CHSH(1)
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HTML rendering created 2025-02-02 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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