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1994-03-04
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NOVELL TECHNICAL INFORMATION DOCUMENT
TITLE: OS/2 AND NOVELL DOS 7 COMPATIBILITY
DOCUMENT ID: 014917
DOCUMENT REVISION: A
DATE: 25FEB94
ALERT STATUS: Yellow
INFORMATION TYPE: Issue
README FOR: NA
NOVELL PRODUCT and VERSION:
Novell DOS 7
ABSTRACT:
This document discusses the use of Novell DOS 7 features with the
OS/2 operating system.
------------------------------------------------------------------
DISCLAIMER
THE ORIGIN OF THIS INFORMATION MAY BE INTERNAL OR EXTERNAL TO
NOVELL. NOVELL MAKES EVERY EFFORT WITHIN ITS MEANS TO VERIFY
THIS INFORMATION. HOWEVER, THE INFORMATION PROVIDED IN THIS
DOCUMENT IS FOR YOUR INFORMATION ONLY. NOVELL MAKES NO EXPLICIT
OR IMPLIED CLAIMS TO THE VALIDITY OF THIS INFORMATION.
------------------------------------------------------------------
ISSUE
Novell DOS 7 and OS/2 are compatible and will work well
together. The compatibility of the full features of NOVELL
DOS 7 will be covered in this document. OS/2 is a separate
operating system and uses a separate shell to operate DOS
applications. Many of the features in NOVELL DOS can be run
under both operating systems; some will only work while
booted under NOVELL DOS. Other features cannot be used
because of conflicts with OS/2, and any use of these
features should be with extreme caution.
Definitions:
DOS Shell The DOS shell provided with OS/2. This DOS
Shell is not Novell DOS 7 specific; although,
it will use the EXTERNAL commands in the DOS
PATH.
Virtual Disk This is the Virtual Disk Image feature of
OS/2. This is not to be confused with a RAM
disk.
NOVELL DOS FEATURES
DELWATCH DELWATCH will not operate in a DOS shell
under OS/2 but will operate on a Virtual
Disk.
DELPURGE DELPURGE operates successfully in the DOS
shell and on a Virtual Disk.
DISKMAP DISKMAP operates successfully in the DOS
shell and on a Virtual Disk.
DISKOPT DISKOPT operates successfully in the DOS
shell and on a Virtual Disk; however, it is
not recommended that you run DISKOPT in a
multitasking environment.
DPMS DPMS will not operate in a DOS Shell or a
Virtual Disk.
PASSWORD PASSWORD shows incorrect version of operating
system in an OS/2 environment. Novell DOS
files and directories with passwords are not
secure.
NWCACHE NWCache can be used under either operating
system but will not provide any benefit while
booted under OS/2. OS/2 has its own cache,
which makes NWCache unnecessary. This
feature should not be used on a Virtual Disk.
SCRIPT SCRIPT does not function in a DOS Shell or
Virtual Disk.
SECURITY If Security is enabled, OS/2 WILL NOT boot
under any circumstances. Security should not
be used.
STACKER Extended partitions of the hard disk can be
compressed with Stacker while booted under
Novell DOS 7. These partitions can be read
by OS/2 if Stacker for OS/2 is loaded in the
OS/2 CONFIG.SYS file. Applications on the
compressed drive will be accessible while
operating in either environment. The Virtual
Disk will need the driver and the STACKER.LOG
to access the drive. Novell recommends that
you do not compress the boot drive, because
it is very difficult to get both operating
systems to recognize the partition.
TASK MANAGER TASK MANAGER will not operate in a DOS shell
under OS/2. OS/2 is a multitasking
environment, so TASKMGR is unnecessary on the
Virtual Disk. Task Manager will operate in
the Task Switcher mode.
UNDELETE UNDELETE will operate in a DOS shell under
OS/2 and on a Virtual Disk. Novell
recommends that UNDELETE should not be
operated in a multitasking environment.
XCOPY, XDIR Both XCOPY and XDIR function in a DOS shell
and a Virtual Disk; however, caution should
be used when copying or moving OS/2 files.
They carry extended attributes that are not
transferred by DOS. Copying or moving an
OS/2 file without its extended attributes can
result in lost functionality.
INTERNAL COMMANDS
These commands are taken over by the OS/2 environment, so
they are no longer internal to Novell DOS. For more
information on the internal commands for OS/2, Refer to your
OS/2 documentation.
VER VER shows OS/2 in the OS/2 DOS shell but will show
Novell DOS 7 in Virtual Disk.
EXTERNAL COMMANDS
The following Novell DOS external commands work with certain
exceptions:
FORMAT In FORMAT all switches, with the exception of /S,
function correctly. The /S switch will cause the
system files to be copied; however, the disk will
not be bootable.
TREE TREE works fine in either environment but provides
statistics in a different format than the OS/2
version.
EDITOR EDITOR works fine in the DOS shell but has
different features than EDLIN.
MEM MEM works in DOS shell but provides statistics in
a different format than the OS/2 Version. The /A
/U switch will cause the session to hang because
of an upper memory conflict.
SYS SYS copies the system files for Novell DOS;
however, the disk is not bootable. SYS does work
in Virtual Disk but takes the files from the disk
image rather than the hard disk.
The following external commands are included with OS/2 and
should be used when in the OS/2 environment:
CHKDSK.COM, FORMAT.COM, MODE.COM, XCOPY.EXE, DISKCOPY.COM,
DISKCOMP.COM, REPLACE.EXE, COMP.COM, MORE.COM, PRINT.COM,
FIND.EXE, KEYB.COM, BACKUP.EXE, FDISK.COM, RECOVER.COM,
LABEL.COM, TREE.COM, SORT.EXE, UNDELETE.COM, ATTRIB.EXE,
RESTORE.EXE, MEM.EXE
Other external commands have not been tested at this time.
Refer to the OS/2 documentation for features that can be
used in OS/2 to avoid these conflicts.