system_cmds-496.tar.gz

[apple/system_cmds.git] / update.tproj / update.8

diff --git a/update.tproj/update.8 b/update.tproj/update.8
index 7a2105f82d886e57f38e4b1ee5eed9e5d45f91ed..2d6e7421b7faec571b77c6a655397a88ca0380dd 100644 (file)
--- a/update.tproj/update.8
+++ b/update.tproj/update.8
@@ -31,7 +31,7 @@
 .\"
 .\"    @(#)update.8    8.3 (Berkeley) 4/19/94
 .\"
 .\"
 .\"    @(#)update.8    8.3 (Berkeley) 4/19/94
 .\"

-.Dd April 19, 1994
+.Dd August 18, 2008

 .Dt UPDATE 8
 .Os
 .Sh NAME
 .Dt UPDATE 8
 .Os
 .Sh NAME


@@ -39,30 +39,22 @@
 .Nd flush internal filesystem caches to disk frequently
 .Sh SYNOPSIS
 .Nm update
 .Nd flush internal filesystem caches to disk frequently
 .Sh SYNOPSIS
 .Nm update

-.Op Ar normal_interval Op Ar save_energy_interval

 .Sh DESCRIPTION
 The
 .Nm update
 .Sh DESCRIPTION
 The
 .Nm update

-command helps protect the integrity of disk volumes
+utility has been incorporated into
+.Xr launchd 8 .
+It historically helped protect the integrity of disk volumes

 by flushing
 volatile cached filesystem data
 by flushing
 volatile cached filesystem data

-to disk at thirty second intervals.
-.Nm Update
-uses the
+to disk at thirty second intervals
+using the

 .Xr sync 2
 .Xr sync 2

-function call to do the task.
-The normal_interval and save_energy_interval can be used to set the
-.Xr sync 2 interval in seconds of the normal case and the case where the computer is trying to save energy.
-.Pp
-.Nm Update
-is commonly invoked at startup time by
-.Xr rc 8
-when the system goes multi-user.
+function call.

 .Sh SEE ALSO
 .Xr sync 2 ,
 .Xr fsck 8 ,
 .Sh SEE ALSO
 .Xr sync 2 ,
 .Xr fsck 8 ,

-.Xr init 8 ,
-.Xr rc 8 ,
+.Xr launchd 8 ,

 .Xr sync 8
 .Sh BUGS
 It is possible on some systems that a
 .Xr sync 8
 .Sh BUGS
 It is possible on some systems that a


@@ -72,6 +64,6 @@ file system damage. See
 .Xr fsck 8 .
 .Sh HISTORY
 An
 .Xr fsck 8 .
 .Sh HISTORY
 An

-.Nm update
-command appeared in
+.Nm
+utility appeared in

 .At v6 .
 .At v6 .