Provided by: login_4.13+dfsg1-4ubuntu3_amd64
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). If SSH_ORIGINAL_COMMAND is populated it will be logged.
SEE ALSO
login(1), nologin(5).
HISTORY
The nologin command appeared in BSD 4.4.