Manual Reference Pages - SYNC (8)
- force completion of pending disk writes (flush cache)
can be called to ensure 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
to shut down the system,
as they may perform additional actions
such as resynchronizing the hardware clock
and flushing internal caches before performing a final
utility utilizes the
utility appeared in
AT&T v4 .
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