.TH UPDATE-SHELLS 8 "28 Jun 2021"
.SH NAME
update-shells \- update the list of valid login shells
.SH SYNOPSIS
.B  update-shells
.RI  [ options ]
.SH DESCRIPTION
.B update-shells
locates the shells provided by packages from
.I /usr/share/debianutils/shells.d
and updates
.I /etc/shells
with newly added or removed shells.
To track changes made by the administrator, it consults a state file in
.I /var/lib/shells.state .
.SH OPTIONS
.TP
.B \-\-no\-act
Do not actually perform the changes to
.I /etc/shells .
.TP
.B \-\-root
.I ROOT

Operate on a chroot at
.I ROOT .
Defaults to the value of the environment variable
.I DPKG_ROOT .
.TP
.B \-\-verbose
Print the shells that are being added or removed.
.SH FILES
.I /etc/shells
.I /var/lib/shells.state
.I /usr/share/debianutils/shells.d
.SH SEE ALSO
.BR shells (5)