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shells - pathnames of valid login shells
/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: /bin/sh /bin/csh
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/. 1993-11-21 SHELLS(5)