In the following example, the init is used to bring a SPARC based standalone system to run level S (single-user state).
# init s # INIT: New run level: S The system is coming down for administration. Please wait. Unmounting remote filesystems: /vol nfs done. Print services stopped. syslogd: going down on signal 15 Killing user processes: done. INIT: SINGLE USER MODE Type Ctrl-d to proceed with normal startup, (or give root password for system maintenance): xxx Entering System Maintenance Mode #