halt.8

操作系统设计与实现源码

.TH HALT 8
.SH NAME
halt \- abruptly stop the system
.SH SYNOPSIS
\fBhalt\fP [\fB\-f\fP]
.SH DESCRIPTION
.B Halt
stops the system almost immediately.  The users are not informed about
the things to come.
.B Halt
is logged in
.B /usr/adm/wtmp
and in 
.BR /usr/adm/authlog ,
if these files exist.
.B Halt
should only be run by the super-user, any other caller will be refused.
.PP
.B Halt
is a rather rude program.
.BR Shutdown (8)
is preferred for it performs a more gentle halt routine.
.PP
.B Halt \-f
is even worse, it omits the terminate signals that are normally
sent first to all processes to give them a chance to die peacefully.
.SH "SEE ALSO"
.BR reboot (2),
.BR shutdown (8),
.BR reboot (8),
.BR boot (8).
.SH AUTHOR
Edvard Tuinder ([e-mail])