.\" Copyright (c) 1980 Regents of the University of California.
.\" All rights reserved. The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\" @(#)sync.8 6.2 (Berkeley) %G%
sync \- update the super block
can be called to insure that all disk writes have been completed before the
processor is halted in a way not suitably done by
Generally, it is preferable to use
as they may perform additional actions
such as resynchronizing the hardware clock
and flushing internal caches before performing a final
for details on the system primitive.
sync(2), fsync(2), halt(8), reboot(8), update(8)