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JP Software
4DOS/NT 1.0 rev A / B / C ==> rev D Patch Documentation
June 1, 1993
[Copyright 1993, 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. Windows NT is a
trademark of Microsoft Corporation. Other product and company names are
trademarks of their respective owners.]
[PLEASE NOTE: This product is named "4DOS", and this version is more fully
described as "4DOS for the Windows NT Operating System". For brevity, in
this file and throughout our documentation we refer to "4DOS for Windows
NT", to "4DOS/NT", or to the program file name, 4NT.EXE or 4NT. When "4DOS"
is used by itself the reference is to our DOS product.]
This file explains how to install the 4DOS/NT 1.0 rev D patches for 4NT.EXE.
To use these patches, you must have the PATCH.EXE program uploaded by JP
Software. This program is in a separate file, PATCH.ZIP or PATCH4D.ZIP
(depending on your download source). Instructions for running the PATCH
program are in the file PATCH.DOC which is distributed with PATCH.EXE.
PATCH.EXE should be in the same directory as the files to be patched, or in
a directory on your PATH.
Before using these patches, you must determine the revision level of your
copy of 4DOS/NT. To do so, use the command:
VER /R
and find the "4DOS/NT revision level" in the output. If you have a
downloaded copy of 4DOS/NT you probably have revision B; if you have a copy
supplied on diskette you probably have revision C.
There are three patch files:
PAT10B.RTP Updates 4DOS/NT 1.0 to revision level B from level A
PAT10C.RTP Updates 4DOS/NT 1.0 to revision level C from level B
PAT10D.RTP Updates 4DOS/NT 1.0 to revision level D from level C
You should apply the appropriate patch files, in sequence, for the revision
of 4DOS/NT you are currently running:
If you are running Then apply patch files in this order
------------------ ------------------------------------
revision A PAT10B then PAT10C then PAT10D
revision B PAT10C then PAT10D
revision C PAT10D only
These patch files modify 4NT.EXE only. All other files are unchanged.
Branding (name and serial number) information in your original 4NT.EXE file
will be preserved in the modified file.
To apply a patch, copy the corresponding .RTP file to the directory where
4NT.EXE is stored. Then exit from all sessions running 4DOS/NT, start a
CMD.EXE session, change to the 4NT.EXE directory, and enter the command:
patch <patch file name>
where <patch file name> is PAT10B or PAT10C or PAT10D.
[Some of our documentation for PATCH.EXE shows a period between the program
name (PATCH) and the patch file name, for example:
patch . pat10d
This period may be used but is not required.]
The revision D patches fix the minor bugs and anomalies in 4DOS/NT 1.0 which
are listed below. These problems are small and have not affected most
users.
Revision B:
* Input redirection was opening the input file in read-write mode;
change it to open in read-only mode.
Revision C:
* The FOR command was not working properly.
* RENAME would fail in some circumstances.
Revision D:
* IF NOT EXIST did not work properly when a subdirectory was the
argument.
* Non-US keyboards did not work properly.
* DESCRIBE did not work properly, and descriptions were not correctly
copied, deleted, etc.
* The internal version number returned by %_4VER was 0.9 when it should
have been 1.0.