/etc/shells is a text file which contains the full pathnames of valid
login shells. This file is consulted by chsh(1) and available to be
queried by other programs.
Be aware that there are programs which consult this file to find out if
a user is a normal user. E.g.: ftp daemons traditionally disallow
access to users with shells not included in this file.
/etc/shells may contain the following paths:
This page is part of release 3.35 of the Linux man-pages project. A
description of the project, and information about reporting bugs, can
be found at http://man7.org/linux/man-pages/.
Man Pages Copyright Respective Owners. Site Copyright (C) 1994 - 2017
All Rights Reserved.