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Almost all UNIX operating systems have voluminous documentation known as manual pages. Every page is a document. If one wants to read a page then the command man at a shell prompt will show the manual, for example, "man ftp". Pages are referred by using the notation "name(manual-section)", for example time(1).

Man Page :: Unix Man Pages - nologin

Browse Linux man pages by name. Choose the first letter of the name of the Linux command, function, or file you are interested in:

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NAME

nologin - prevent non-root users from logging into the system

DESCRIPTION

If 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.

FILES

/etc/nologin