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1 | .\" Copyright (c) 1980 The Regents of the University of California. |
2 | .\" All rights reserved. | |
79ff4b9e | 3 | .\" |
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4 | .\" Redistribution and use in source and binary forms are permitted |
5 | .\" provided that the above copyright notice and this paragraph are | |
6 | .\" duplicated in all such forms and that any documentation, | |
7 | .\" advertising materials, and other materials related to such | |
8 | .\" distribution and use acknowledge that the software was developed | |
9 | .\" by the University of California, Berkeley. The name of the | |
10 | .\" University may not be used to endorse or promote products derived | |
11 | .\" from this software without specific prior written permission. | |
12 | .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
13 | .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
14 | .\" WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
79ff4b9e | 15 | .\" |
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16 | .\" @(#)halt.8 6.3 (Berkeley) %G% |
17 | .\" | |
18 | .TH <PROGNAME> <SECTION> "" | |
cc6525dc | 19 | .TH HALT 8 "" |
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20 | .UC 4 |
21 | .SH NAME | |
22 | halt \- stop the processor | |
23 | .SH SYNOPSIS | |
24 | .B /etc/halt | |
25 | [ | |
26 | .B \-n | |
27 | ] | |
28 | [ | |
29 | .B \-q | |
30 | ] | |
31 | [ | |
32 | .B \-y | |
33 | ] | |
34 | .SH DESCRIPTION | |
35 | .I Halt | |
36 | writes out sandbagged information to the disks and then stops | |
37 | the processor. The machine does not reboot, even if the auto-reboot | |
38 | switch is set on the console. | |
39 | .PP | |
40 | The | |
41 | .B \-n | |
42 | option prevents the sync before stopping. The | |
43 | .B \-q | |
44 | option causes a quick halt, no graceful shutdown is attempted. The | |
45 | .B \-y | |
46 | option is needed if you are trying to halt the system from a dialup. | |
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47 | .PP |
48 | .I Halt | |
49 | normally logs the shutdown using | |
50 | .IR syslog (8) | |
51 | and places a shutdown record in the login accounting file | |
52 | /usr/adm/wtmp. | |
53 | These actions are inhibited if the | |
54 | .B \-n | |
55 | or | |
56 | .B \-q | |
57 | options are present. | |
79ff4b9e | 58 | .SH SEE ALSO |
b77763cc | 59 | reboot(8), shutdown(8), syslogd(8) |
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60 | .SH BUGS |
61 | It is very difficult to halt a VAX, as the machine wants to then | |
62 | reboot itself. A rather tight loop suffices. |