.TH SYNC 1 sbase\-VERSION
.SH NAME
sync \- flush disk cache 
.SH SYNOPSIS
.B sync
.SH DESCRIPTION
.B sync
invokes 
.IR sync(2) 
to flush all unwritten changes to the disk. This is 
usually done before shutting down, rebooting or halting.

.SH SEE ALSO
.IR sync (2)  fsync (2)