man > add-shell(8)

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 temporary file back to /etc/shells.

       The shells must be provided by their full pathnames.

ENVIRONMENT
       DPKG_ROOT
              specifies the base path under which /etc/shells resides.

SEE ALSO
       shells(5)

                                             23 Sep 2021                                ADD-SHELL(8)