次の例では、shutdown コマンドと boot コマンドを使用して、3 分後に、SPARC システムを実行レベル S (シングルユーザーモード) にしています。
# who root console May 7 08:35 # shutdown -i0 -g180 -y Shutdown started. Wed May 7 08:39:17 MDT 1997 Broadcast Message from root (console) on mars Wed May 7 08:39:18 The system will be shut down in 1 minute Broadcast Message from root (console) on mars Wed May 7 08:39:50 The system will be shut down in 30 seconds . . . INIT: New run level: 0 The system is coming down. Please wait. syncing file systems... [7] [7] [5] done Program terminated ok boot -s Booting from: sd(0,0,0) -s SunOS Release 5.6 Version generic [UNIX(R) System V Release 4.0] Copyright (c) 1983-1997, Sun Microsystems, Inc. configuring network interfaces: le0. Hostname: mars INIT: SINGLE USER MODE Type Ctrl-d to proceed with normal startup, (or give root password for system maintenance): xxx Entering System Maintenance Mode #