NAME

sync − update the super block

SYNTAX

/bin/sync

DESCRIPTION

The sync command executes the sync system primitive.  The sync command can be called to insure all disk writes have been completed before the processor is halted in a way not suitably done by reboot(8) or halt(8). 

See sync(2) for details on the system primitive. 

SEE ALSO

fsync(2), sync(2), halt(8), reboot(8), update(8)