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Annotation of 43BSDReno/bin/sync/sync.8, revision 1.1.1.1

1.1       root        1: .\" Copyright (c) 1980 Regents of the University of California.
                      2: .\" All rights reserved.  The Berkeley software License Agreement
                      3: .\" specifies the terms and conditions for redistribution.
                      4: .\"
                      5: .\"    @(#)sync.8      6.2 (Berkeley) 5/28/86
                      6: .\"
                      7: .TH SYNC 8 "May 28, 1986"
                      8: .UC 4
                      9: .SH NAME
                     10: sync \- update the super block
                     11: .SH SYNOPSIS
                     12: .B /etc/sync
                     13: .SH DESCRIPTION
                     14: .I Sync
                     15: executes the
                     16: .I sync
                     17: system primitive.
                     18: .I Sync
                     19: can be called to insure that all disk writes have been completed before the
                     20: processor is halted in a way not suitably done by
                     21: .IR reboot (8)
                     22: or
                     23: .IR halt (8).
                     24: Generally, it is preferable to use
                     25: .I reboot
                     26: or
                     27: .I halt
                     28: to shut down the system,
                     29: as they may perform additional actions
                     30: such as resynchronizing the hardware clock
                     31: and flushing internal caches before performing a final
                     32: .IR sync .
                     33: .PP
                     34: See
                     35: .IR sync (2)
                     36: for details on the system primitive.
                     37: .SH "SEE ALSO"
                     38: sync(2), fsync(2), halt(8), reboot(8), update(8)

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