systemd-user-sessions.service(8) osx man page | unix.com

SYSTEMD-USER-SESSIONS.SERVICE(8)			   systemd-user-sessions.service			  SYSTEMD-USER-SESSIONS.SERVICE(8)

NAME
       systemd-user-sessions.service, systemd-user-sessions - Permit user logins after boot, prohibit user logins at shutdown

SYNOPSIS
       systemd-user-sessions.service

       /lib/systemd/systemd-user-sessions

DESCRIPTION
       systemd-user-sessions.service is a service that controls user logins through pam_nologin(8). After basic system initialization is complete,
       it removes /run/nologin, thus permitting logins. Before system shutdown, it creates /run/nologin, thus prohibiting further logins.

SEE ALSO
       systemd(1), systemd-logind.service(8), pam_nologin(8)

systemd 237													  SYSTEMD-USER-SESSIONS.SERVICE(8)