1SYNC(8)                     System Manager's Manual                    SYNC(8)
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NAME

6       sync - update the super block
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SYNOPSIS

9       sync
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DESCRIPTION

12       Sync  executes the sync system primitive.  Sync can be called to insure
13       that all disk writes have been completed before the processor is halted
14       in  a  way not suitably done by reboot(8) or halt(8).  Generally, it is
15       preferable to use reboot or halt to shut down the system, as  they  may
16       perform  additional  actions such as resynchronizing the hardware clock
17       and flushing internal caches before performing a final sync.
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19       See sync(2) for details on the system primitive.
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SEE ALSO

22       sync(2), fsync(2), halt(8), reboot(8), update(8)
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264th Berkeley Distribution      November 27, 1996                       SYNC(8)
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