.\" Copyright (c) 1980 Regents of the University of California.
.\" All rights reserved. The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\" @(#)sync.2 6.2 (Berkeley) 6/30/85
.TH SYNC 2 "June 30, 1985"
sync \- update super-block
causes all information in core
memory that should be on disk to be written out.
This includes modified super blocks,
modified i-nodes, and delayed block I/O.
should be used by programs that examine a file system,
is mandatory before a boot.
fsync(2), sync(8), update(8)
The writing, although scheduled, is not necessarily
complete upon return from