sync.1

<B>Digital的Unix操作系统VAX 4.2源码</B>

.\" SCCSID: @(#)sync.1	8.1	9/11/90
.TH sync 1 
.SH Name
sync \- update the super block
.SH Syntax
.B /bin/sync
.SH Description
.NXR "sync command"
.NXAM "sync command" "sync system call"
.NXR "superblock" "updating"
The
.PN sync
command executes the
.PN sync
system primitive.
The
.PN 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
.MS reboot 8
or
.MS halt 8 .
.PP
See 
.MS sync 2
for details on the system primitive.
.SH See Also
fsync(2), sync(2), halt(8), reboot(8), update(8)