NAME

sync − update the super block

SYNOPSIS

/etc/sync

DESCRIPTION

Sync executes the sync system primitive.  Sync 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

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

4BSD