*BASH User Commands Ubuntu 10.04.4 LTS Server coreutils
GNU/Linux 
NOLOGIN(8)                System Management Commands                NOLOGIN(8)



NAME
       nologin - politely refuse a login

SYNOPSIS
       nologin

DESCRIPTION
       The nologin command displays a message that an account is not available
       and exits non-zero. It is intended as a replacement shell field for
       accounts that have been disabled.

       To disable all logins, investigate nologin(5).

SEE ALSO
       login(1), nologin(5).

HISTORY
       The nologin command appearred in BSD 4.4.



System Management Commands        02/14/2011                        NOLOGIN(8)