1*62939Sbostic.\" Copyright (c) 1990, 1991, 1993 2*62939Sbostic.\" The Regents of the University of California. All rights reserved. 351435Sbostic.\" 451435Sbostic.\" %sccs.include.redist.roff% 551435Sbostic.\" 6*62939Sbostic.\" @(#)reboot.8 8.1 (Berkeley) 06/09/93 751435Sbostic.\" 851435Sbostic.Dd 951435Sbostic.Dt REBOOT 8 1051435Sbostic.Os 1151435Sbostic.Sh NAME 1251442Sbostic.Nm reboot , 1351442Sbostic.Nm halt 1451435Sbostic.Nd 1551442Sbosticstopping and restarting the system 1651435Sbostic.Sh SYNOPSIS 1751442Sbostic.Nm halt 1851442Sbostic.Op Fl nq 1951435Sbostic.Nm reboot 2051435Sbostic.Op Fl nq 2151435Sbostic.Sh DESCRIPTION 2251435SbosticThe 2351442Sbostic.Nm halt 2451442Sbosticand 2551435Sbostic.Nm reboot 2651442Sbosticutilities flush the file system cache to disk, send all running processes 2751442Sbostica SIGTERM (and subsequently a SIGKILL) and, respectively, halt or restart 2851442Sbosticthe system. 2951442SbosticThe action is logged, including entering a shutdown record into the login 3051435Sbosticaccounting file. 3151435Sbostic.Pp 3251435SbosticThe options are as follows: 3351435Sbostic.Bl -tag -width Ds 3451435Sbostic.It Fl n 3551435SbosticIf the 3651435Sbostic.Fl n 3751435Sbosticoption is specified, 3851442Sbosticthe file system cache is not flushed. 3951442SbosticThis option should probably not be used. 4051435Sbostic.It Fl q 4151435SbosticIf the 4251435Sbostic.Fl q 4351435Sbosticoption is specified, 4451442Sbosticthe system is halted or restarted quickly and ungracefully, and only 4551442Sbosticthe flushing of the file system cache is performed. 4651442SbosticThis option should probably not be used. 4751435Sbostic.El 4851435Sbostic.Pp 4951442SbosticNormally, the 5051435Sbostic.Xr shutdown 8 5151442Sbosticutility is used when the system needs to be halted or restarted, giving 5251442Sbosticusers advance warning of their impending doom. 5351435Sbostic.Sh SEE ALSO 5451435Sbostic.Xr sync 1 , 5551435Sbostic.Xr utmp 5 , 5651435Sbostic.Xr boot 8 , 5751442Sbostic.Xr shutdown 8 5851435Sbostic.Sh HISTORY 5962938SbosticA 6062938Sbostic.Nm reboot 6162938Sbosticcommand appeared in 6262938Sbostic.At v6 . 63