debian man page for add-shell

ADD-SHELL(8)						      System Manager's Manual						      ADD-SHELL(8)

NAME
       add-shell - add shells to the list of valid login shells

SYNOPSIS
       add-shell shellname [shellname...]

DESCRIPTION
       add-shell copies /etc/shells to /etc/shells.tmp, adds the given shells to this file if they are not already present, and copies this tempo-
       rary file back to /etc/shells.

       The shells must be provided by their full pathnames.

SEE ALSO
       shells(5)

								    12 May 2011 						      ADD-SHELL(8)