.TH ADD-SHELL 8 "23 Sep 2021"
.SH NAME
add-shell \- add shells to the list of valid login shells
.SH SYNOPSIS
.B  add-shell
.I  shellname
.RI [ shellname ...]
.SH DESCRIPTION
.B add-shell
copies
.I /etc/shells
to
.IR /etc/shells.tmp ,
adds the given shells to this file
if they are not already present,
and copies this temporary file back to
.IR /etc/shells .
.sp 1
The shells must be provided by their full pathnames.
.SH "ENVIRONMENT"
.TP
.I DPKG_ROOT
specifies the base path under which
.I /etc/shells
resides.
.SH SEE ALSO
.BR shells (5)