chsh man page on aLinux

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CHSH(1)				 User Commands			       CHSH(1)

NAME
       chsh - change login shell

SYNOPSIS
       chsh [-s login_shell] [user]

DESCRIPTION
       chsh 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 super user may change the login shell
       for any account.

       The only restriction placed on the login shell is that the command name
       must be listed in /etc/shells, unless the invoker is the super-user,
       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.

OPTIONS
       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.

FILES
       /etc/passwd
	      user account information

       /etc/shells
	      list of valid login shells

       /etc/login.defs
	      shadow password suite configuration

SEE ALSO
       chfn(1), login.defs(5), passwd(5).

User Commands			  11/05/2005			       CHSH(1)
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