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32 .\" @(#)sync.8 8.1 (Berkeley) 5/31/93
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40 .Nd force completion of pending disk writes (flush cache)
45 can be called to insure that all disk writes have been completed before the
46 processor is halted in a way not suitably done by
50 Generally, it is preferable to use
54 to shut down the system,
55 as they may perform additional actions
56 such as resynchronizing the hardware clock
57 and flushing internal caches before performing a final