Concurrent DOS XM
Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers.
An evolution of the older Concurrent CP/M-86 and Concurrent DOS operating systems, it was originally developed by Digital Research and later acquired and further developed by Novell. Its ancestry lies in the earlier Digital Research 8-bit operating systems CP/M and MP/M, and the 16-bit single-tasking CP/M-86 which evolved from CP/M.
When Novell abandoned the system, the three Master Value Added Resellers (VARs) Datapac Australasia, Concurrent Controls and Intelligent Micro Software took over and continued independent development into Datapac Multiuser DOS and System Manager, CCI Multiuser DOS, and IMS Multiuser DOS and REAL/32.

This is an excerpt from the article Concurrent DOS XM from the Wikipedia free encyclopedia. A list of authors is available at Wikipedia.
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Multiuser DOS - Wikipedia, the free encyclopedia
2 Concurrent DOS. 2.1 Concurrent PC DOS; 2.2 Concurrent DOS 286 and FlexOS; 2.3 Concurrent DOS 386 and Concurrent DOS XM; 2.4 Adaptations.
en.wikipedia.org/wiki/Multiuser_DOS
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Category:DOS issues - Wikipedia, the free encyclopedia
The category DOS issues deals with articles related to the various families and issues ... Concurrent DOS 386/MGE · Concurrent DOS 8-16 · Concurrent DOS XM ...
en.wikipedia.org/wiki/Category:DOS_issues
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Download Concurrent DOS XM 6.21 by | VETUSWARE.COM - the ...
On Wednesday May 19, 2010 said: I would very much appreciate an IMG/IMA/ IMZ image of the first (bootable) disk as well. Or, if anyone have information on ...
vetusware.com/download/Concurrent%20DOS%20XM%206.21/?id=3837
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OPERATING SYSTEM: Disk Operating Systems
Jun 1, 2012 ... Concurrent DOS XM 5.0, 5.2, 6.0, 6.2 (BDOS 5.0-6.2) (real-mode variant of Concurrent DOS with EEMS support) DR DOS 3.31, 3.32, 3.33, 3.34, ...
osinfobuzz.blogspot.com/2012/06/disk-operating-systems.html
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Explain Concurrent Dos 386 And Concurrent Dos Xm? | Examvoice ...
Comment Please Login/Register to comment... 0 Comments. Explain Concurrent DOS 286 and FlexOS? 10 marks. explain Concurrent DOS? 10 marks.
examvoice.com/content/computer-science/5528/explain-concurrent-dos-386-and-concurrent-dos-xm/
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Concurrent DOS, and variations, OS2, IBM DOS, I'm not going to ...
Concurrent DOS dated on the manuals 11/87 starting bid $60. Item 3. Concurrent DOS XM, Release 6.0, 6 user. complete starting bid $90
www.vintage-computer.com/vcforum/showthread.php?21970-Concurrent-DOS-and-variations-OS2-IBM-DOS-I-m-not-going-to-move-it-again
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'Concurrent DOS XM 5.2' thread - MARC
Viewing messages in thread 'Concurrent DOS XM 5.2'. Viewing messages in list linux-msdos. 1. 2002-02-02 Re: Concurrent DOS XM 5.2 linux-msd Bryan J.
marc.info/?t=101260487500001&r=1&w=2
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Re: Concurrent DOS XM 5.2
Feb 2, 2002 ... Well, I've made a bit more headway in troubleshooting the thing. It looks like Concurrent is crashing before it sets up the serial ports. I turned on ...
www.mail-archive.com/linux-msdos@vger.kernel.org/msg00595.html
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Concurrent DOS XM: Latest News, Videos, Photos | Times of India
Jan 28, 2013 ... See Concurrent DOS XM Latest News, Photos, Biography, Videos and Wallpapers. Concurrent DOS XM profile on Times of India.
timesofindia.indiatimes.com/topic/Concurrent-DOS-XM
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List of operating systems - Wikipedia,…
This is a list of operating systems. Computer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other ...
en.wikipedia.org/wiki/List_of_operating_systems
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Concurrent DOS XM in science
Category:Discontinued operating systems - Wikipedia, the free ...
8. 86-DOS ... Concurrent DOS 68K · Concurrent DOS 8-16 · Concurrent DOS XM ... Universal Time-Sharing System · University of Michigan Executive System ...
Introduction to Linux_GGSIPU-LUG - SlideShare
Nov 4, 2013... DOS Concurrent DOS XM IMS REAL/32 Caldera OpenDOS RSX-11 ... ENTER THE PENGUIN In 1991, a young student at the University of ...
Multiuser DOS - Wikipedia, the free encyclopedia
2 Concurrent DOS. 2.1 Concurrent PC DOS; 2.2 Concurrent DOS 286 and FlexOS; 2.3 Concurrent DOS 386 and Concurrent DOS XM; 2.4 Adaptations.
Books on the term Concurrent DOS XM
InfoWorld
InfoWorld
Value An EMS and EEMS memory expansion board with parallel port, serial port, and clock, bundled with E>RFs EEMS-compatible Concurrent PC- DOS XM. Pros : EEMS capability, software switch settings, quality manufacture. Cons: Bundled ...
Watchguard XTM 515 Security Appliance - 1 Year Security Bundle
Watchguard XTM 515 Security Appliance - 1 Year Security Bundle
Get everything you need for complete unified threat management at a great price with the XTM 515 Security Bundle. The Bundle includes a next-generation WatchGuard XTM 515 security appliance with 2.0 Gbps firewall throughput, 210 Mbps VPN throughput, and six 1GgE ports. In addition, the Bundle delivers a full suite of UTM security subscriptions to b...
InfoWorld
InfoWorld
Also new for Concurrent DOS XM and Concurrent DOS 386 is Logan Industries' C-Spool, which allows multiple users to print to a single printer without conflicts. The $ 1 59 print spooler intercepts the output of simultaneous print jobs and prints ...
InfoWorld
InfoWorld
MARCH 16, 1917 RE: CONCURRENT DOS Concurrent PC-DOS XM (reviewed February 23) allows multitasking, multiuser applications to run on the IBM PC family of computers and compatibles. There are over 1 ,000 multiuser applications ...
Computerworld
Computerworld
In an effort to regain ground lost to Microsoft Corp. in the microcomputer operating systems market,' Digital Reuled to announce Concurrent DOS Expanded Memory (XM) and is aiming it directly at large corporations. "Our target end user is the ...
InfoWorld
InfoWorld
Users also now can transfer files back and forth between a Novell network and a local Concurrent DOS 386 environment. DRI also will announce enhancements to Concurrent DOS XM with Release 6.2, which now allows IBM Expanded ...
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Concurrent DOS XM
OPERATING SYSTEM: Disk Operating Systems
86-DOS (developed at Seattle Computer Products by Tim Paterson for the new Intel 808x CPUs; licensed to Microsoft, became PC DOS/MS-DOS. Also known by its working title QDOS.
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Data General[edit source | editbeta] RDOS Real-time Disk Operating System, with variants: RTOS and DOS (not related to PC DOS, MS-DOS etc. ) AOS for 16-bit Data General Eclipse computers and AOS/VS for 32-bit (MV series) Eclipses, MP/AOS for microNOVA-based computers DG/UX DataPoint[edit source | editbeta] CTOS Z-80 based, Cassette Tape Operating System for early desktop systems.
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