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Add text from NetBSD's rev 1.12 which should have accompanied

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the changes made to our own source on 1997-01-01.

PR:		20445
Submitted by:	Jon Masami Kuroda <jkuroda@eecs.berkeley.edu>
This commit is contained in:
Sheldon Hearn 2000-08-11 10:37:39 +00:00
parent ae97e232fb
commit d84f2470c3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=64535
1 changed files with 22 additions and 0 deletions
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sbin/restore/restore.8
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@ -444,6 +444,28 @@ To do a network restore, you have to run restore as root. This is due
to the previous security history of dump and restore. (restore is
written to be setuid root, but we are not certain all bugs are gone
from the restore code - run setuid at your own risk.)
.Pp
The temporary files
.Pa /tmp/rstdir*
and
.Pa /tmp/rstmode*
are generated with a unique name based on the date of the dump
and the process ID (see
.Xr mktemp 3 ),
except for when
.Fl r
or
.Fl R
is used.
Because
.Fl R
allows you to restart a
.Fl r
operation that may have been interrupted, the temporary files should
be the same across different processes.
In all other cases, the files are unique because it is possible to
have two different dumps started at the same time, and separate
operations shouldn't conflict with each other.
.Sh HISTORY
The
.Nm restore