v7 man page for nologin

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 appeared in BSD 4.4.

shadow-utils 4.5						    01/25/2018								NOLOGIN(8)