|Linux / Unix Command: nologin|
NAMEnologin - prevent non-root users from logging into the system
DESCRIPTIONIf the file /etc/nologin exists, login(1) will allow access only to root. Other users will be shown the contents of this file and their logins will be refused.
SEE ALSOlogin(1), shutdown(8)
Important: Use the man command (% man) to see how a command is used on your particular computer.