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1994-10-19
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JP Software
4DOS/NT 2.5 rev A ==> 2.5 rev B Patch Documentation
October 19, 1994
Copyright 1994, JP Software Inc., All Rights Reserved. Published by JP
Software Inc., P.O. Box 1470, E. Arlington, MA 02174 USA, (617)
646-3975. 4DOS is a registered trademark of JP Software Inc.
This file explains how to install the 4DOS/NT 2.5 rev B patches.
To use the patch, you must have:
* JP Software's PATCH.EXE program. This program is in a separate
file, PATCH.ZIP on CompuServe, or 4DPATCH.ZIP on bulletin boards
and the Internet. [* See note below.]
* A copy of 4DOS/NT 2.5 rev A. The simplest way to check your
revision level is to use the 4DOS/NT VER /R command. If you find
you have rev A or B of 4DOS/NT 2.5, you must download additional
patch files to update your current copy of 4DOS/NT to rev A before
you can apply this latest rev B patch. To update from rev A to rev
B you need the patch file 4N20B.ZIP; to update from rev B to rev A
you need 4N20C.ZIP. These files should be available from the same
place where you got this rev B file.
To use this patch, copy the 4NT20D.RTP file to the directory where your
4DOS/NT version 2.5 files are stored. Make sure JP Software's PATCH.EXE is
in the same directory, or in a directory on your PATH, then enter the
command:
patch 4nt20d
This patch converts 4DOS/NT 2.5 rev A to version 2.5 rev B. It modifies
only 4NT.EXE, all other files are unchanged from rev A. Branding (name
and serial number) information in your 4NT.EXE file will be preserved in
the modified file.
If you want to test 4NT.EXE to make sure the patch worked, restart your
4DOS/NT window, use the VER /R command. This command will report
"4DOS/NT Revision A" (if the patch did not work) or "4DOS/NT Revision B"
(if it did work).
If you are short on disk space and receive a message that there is not
enough space to perform the patch, you can use a command like this to
reduce the disk space required:
patch /noundo 4nt20d
This will make recovery slightly more difficult in the unlikely event of
a power failure or similar problem during the patch process, but will
reduce the disk space required to perform the patch.
[* JP Software's PATCH.EXE is the version 1.10 patch program from the
.RTPatch patch software sold by PocketSoft Inc. If you have a copy of
PATCH.EXE version 1.10 or later from another company which also uses
.RTPatch to update its software, you can use it with JP Software
patches. However, we recommend that you do NOT use version 2.0 of
PATCH.EXE under OS/2. When PATCH.EXE 2.0 is used under OS/2 it patches
the files properly, but does not correctly update the dates and times of
the patched files.]
4DOS/NT version 2.5 revision B includes the following changes to version
2.5 revision A:
* Fixed a problem which could cause MOVE to delete files without
moving them if you attempted to MOVE a file to itself (e.g.
MOVE *.DAT with no target specified).
* Fixed a problem which prevented input and output settings from
being restored properly when using multiple redirections in a
single command (e.g. sort < file1 > file2).