nologin8
Politely refuse a login
Usage
nologin
Overview
nologin 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.
If the file /etc/nologin.txt exists, nologin displays its contents to the user instead of the default message.
Releases
61 releases since OpenBSD 2.1; the text changed 5 times.