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.