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I remember a presentation in 1999 of the editor of the Linux Journal playing up a number of Microsoft ads from the early to mid 1980s where Bill Gates states that he is convinced that UNIX was the best Operating System around. Not entirely unbelieveable: DOS not only survived, but thrived despite both MS's & IBM's best attempts otherwise. And I suspect MS would like to forget their involvement in this 30-year-old technology; best reason for the changes I made to the relevant articles. -- llywrch 03:02 Mar 14, 2003 (UTC)
--- Much of this story is true. Paul left because he got sick, and I think he felt left out when he came back over a year later. He never really got back up to speed again.
Initially, Bill Gates thought games were a good reason someone might want a computer, but by the time the IBM PC shipped in 1981, he'd come to hate them as a time-wasting distraction. the perception of MS/DOS as a great game platform is at best misguided. IBM specifically did NOT do sound in the initial PC because they felt that sound would make it seem like a toy and scare business people away. to put it on the motherboard as the Mac did 2 years later would have cost pennies. Game support was the last thing IBM wanted, and it was with great resistance that MS ported their 8 bit games to it. User:Hans42 8 Dec 2011 —Preceding undated comment added 08:50, 8 December 2011 (UTC).
To me at least this article doesn't make clear the the SCO here is "old SCO" —The preceding unsigned comment was added by 68.45.4.118 (talk • contribs) 10:09, April 16, 2006 (UTC)
<daniel@nelxe.dk>: I think that Microsoft actually used to own Santa Cruz Operation....so they didn't really abandon the UNIX efforts...SCO released SCO Unix..
---
Microsoft wound up getting partial ownership of (old) SCO for what I'd understood to be non-payment of bills. I don't think it was ever more than 1/3rd.
Microsoft owned 20% of The Santa Cruz Operation as of 1988. They invested in SCO and this allowed them to, by 1989, effectively exit the UNIX business while still generating revenue through their investment in SCO and royalties. — Preceding unsigned comment added by Ldimershein (talk • contribs) 04:08, 11 June 2018 (UTC)
The first port of Xenix 8086 was to Altos. Altos had several machines which implemented this hardware configuration. There were a couple of compatible versions called, I think, 8600 and 586. this had an 8086 CPU connected to a Memory Management Unit (MMU) which allowed a level of demand paging. it didn't support pagefaults or any such niceties but it did allow a reasonable level of swapping. Real mode 8086 doesn't support any of this. I don't think it had a general bus but it did support an 8087 and extra memory. The port was done in late 1980 and early 1981 by Gordon Letwin and the first version shipped in the Autumn of 1981. The second port was also done by Gordon in late 1981 for Intel. The first prototype we got from Intel had a square front about a foot on a side and was about 20 inches deep. I can't remember what it was called, but it had an 8 inch floppy drive oriented vertically, in addition to the internal hard disk. it was built around a Multibus backplane. by early '82 it had been replaced by a similar box using 5" floppies and I think a 20MB hard disk in the same cubic format, and a couple of years later a flatter white box more typical of the desktop configurations of the era.
The first SCO real mode port of xenix didn't come along until 1983--two years after Gordon's original--and it didn't work well for more than a year after (or ever, really--it's unmapped 8086...). By this point the 286 was available, which had a real memory map on the chip, so there was little point in continuing with 8088 or 8086 real mode. (a memory map helps several things: it allows more physical memory to be available than the address space of the machine (1MB in the case of the 8086, and only 640K on the PC). It allows each app to have its own address space, which makes it more practical to run multiple of them, and it keeps errant pointers from being used to trash the running kernel or other apps). the macintosh and real mode windows imposed fairly onerous constraints on applications to allow very limited (and flakey) multitasking, and the SCO real mode port wound up doing something similar--namely "small" and "medium" model apps.
Most of the system and support was done by the Microsoft Xenix group through this period--1980-87 or so. SCO, Altos, Tandy and the others maintained or updated ports which were /started/ at microsoft. /NOT/ the other way around.
-Hans, Xenix Compiler guy — Preceding unsigned comment added by Hans42 (talk • contribs) 17:10, 3 June 2012 (UTC)
The 1983 date for the port is probably a "it worked then" kind of date. By 29 May 1984 they only had a beta to give out for PC Magazine to review. Since IBM did not distribute Xenix for the XT (they distributed PC/IX instead), SCO would have had to sell Xenix for the XT as shrink-wrapped (or at least mail order direct). So it must have had some clear shipping date sometime in 1984, but I'm unable to find it. It's also possible that the PC Magazine review was delayed a fair bit because it appeared in a themed number, with QNX and Idris also reviewed in it. (The June 12 issue of PC Mag then reviewed PC/IX, uNETix, Venix and Coherent.) Someone not using his real name (talk) 03:16, 22 February 2014 (UTC)
By the way, Pate (p. 10) says this: "In 1983 the PC emerged. SCO started porting to the 8088 but concentrated on the 8086, producing a release of SCO XENIX in 1984 which ran in 640 Kbytes with a 10 Mbyte hard disk. The release could support three or more users simultaneously, had multiscreen (virtual console) facilities, Micnet local area networking and enhancements added from 4.2BSD." By "In 1983 the PC emerged" he probably means the XT (the first hard-disk version of the PC), which was released in March that year. Someone not using his real name (talk) 03:37, 22 February 2014 (UTC)
I bought an IBM XT/286 (IBM's "official AT clone") in about 1989 and I bought IBM XENIX for it. I have never heard of Microsoft selling XENIX. I know I purchased extra memory to support XENIX. Yes, the XT was the first PC with a hard disk but the XT/286 had a 80286 processor, not an 8088. Sam Tomato (talk) 01:56, 9 July 2017 (UTC)
I've added a little information on the later descendants of Xenix (SCO UNIX and OpenServer) and a redirect from OpenServer, but the information is pretty sparse. Anyone who knows more about this should add to the article. (I know, I know, SCO is "evil" these days - I run Linux myself - but that doesn't mean Wikipedia shouldn't list information about them.) Beinsane 00:02, 3 Mar 2005 (UTC)
I removed this section, which previously said, in full: "Microsoft Pascal Compiler for the 286 XENIX Operating System (didn't support 386 extentions". I considered cleaning it to: "Microsoft Pascal Compiler for the 286 Xenix Operating System (did not support 386 extensions)" but then considered the section was too sparse to stand alone. If anyone can flesh out the section with other software available then feel free to add it back in. Pelago 22:25, 31 May 2006 (UTC)
None of the XENIX compilers for 8086, Microsoft C, supported either optimization or the iAPX-286. None of the XENIX compilers for XENIX 3.0 supported the iAPX-386, and you could not run XENIX 3.0/IBM XENIX on a 386. The compilers for XENIX 5.0 supported the 386, and its features.
Internally XENIX Compilers for the VAX supported 7 or 8 architectures, 8086, 88000, 68000, 80286 ISA, 80286 MC, 80386 ISA, you had the Bus Wars, the UNIX wars and the compilers all going on.
"Microsoft Pascal Compiler for the 286 XENIX Operating System User's Guide, part number 8511I-330-05, document number 020-092-013, from 1985. We used this compiler on XENIX 386, but not for long, because it could not take advantage of 386 instructions and, as with all things Microsoft, it was a little buggy."[ https://williambader.com/museum/at/pascal.html ]
Microsoft Pascal 3.3, for DOS supported XENIX 2.2.3, and 8086 real mode. https://books.google.com.au/books?id=jBnPebByBGkC&lpg=PA162&ots=mHxSt-6wYP&dq=%22Microsoft%20Pascal%22&pg=PA162#v=onepage&q=%22Microsoft%20Pascal%22&f=false
In the middle of this, you have Microsoft XENIX 3.2.3, which supports three Architectures, 286 MC/PS/2, 286 ISA/AT, and 386/ISA, It is unknown if it worked on 386 MC, or what Pascal 3.3 supported for Targets, in a few months, Microsoft would sell XENIX to SCO, invest in OS/2, have a fight with IBM over OS/2 and secretly start on Windows NT, which would mean that all their XENIX work from the DEC VAX compilers and cross compilers would stop.
Pascal in particular, feeling pressure from Turbo Pascal would be transformed into Quick Pascal. Microsoft was feeling pressure on the OS front, and the development front, retiring their program development tools slow and buggy. They would in the following years, get a working OS NT 3.1, get their mail servers running on it, and get all their development tools running on it, MS C++, MS Pascal, MASM 5.
The glimpse from Sept 12, 1988 is a market in Transition, IBM drops the prices on The Model 50/60 286, Borland announces Turbo Pascal 5, and Turbo C. https://books.google.com.au/books?id=fToEAAAAMBAJ&lpg=PA59&ots=1d6bhlXyvB&dq=%22Microsoft%20Pascal%22&pg=PA51-IA19#v=onepage&q=%22Microsoft%20Pascal%22&f=false
Microsoft Pascal 4.0, for DOS supported OS/2, and 286 features. ( and pretty quickly Windows NT ) It was an entirely different approach, emitting C++ code which would use the C++ compiler, and allow access to mixed language on the same projects, going from a 3 pass compiler to a 4 pass compiler, and becoming even slower. https://books.google.com.au/books?id=fToEAAAAMBAJ&lpg=PA59&ots=1d6bhlXyvB&dq=%22Microsoft%20Pascal%22&pg=PA51-IA19#v=onepage&q=%22Microsoft%20Pascal%22&f=false
https://williambader.com/museum/dell/xenixhistory.html
I am kind of getting tired of how easy it was to find this out with ONE google search. ONE. — Preceding unsigned comment added by 170.75.140.124 (talk) 20:27, 13 November 2020 (UTC)
How could microsoft get the licensed from AT&T in the late 1970s while it was founded in 1975? (see microsoft page) —The preceding unsigned comment was added by 75.80.152.28 (talk • contribs) 04:22, September 27, 2006 (UTC)
Note: "Microsoft licensed UNIX from AT&T in 1979." so that was late 1970s, only 4 years after microsoft was founded. Note: Bob Greenburg, as listed in the BYTE article was the Product manager for XENIX.
This sums it all up in terms of a timeline and product announcements, the compilers would take an enromouse amount of work.
"Version 2.0 of Xenix was released in 1985 and was based on UNIX System V. An update numbered 2.1.1 added support for the Intel 80286 processor. Subsequent releases improved System V compatibility.
In 1986, SCO ported Xenix to the 386 processor, a 32-bit chip. Xenix 2.3.1 introduced support for i386, SCSI and TCP/IP.
When Microsoft entered into an agreement with IBM to develop OS/2, it lost interest in promoting Xenix. In 1987 Microsoft transferred ownership of Xenix to SCO in an agreement that left Microsoft owning 25% of SCO. When Microsoft eventually lost interest in OS/2 as well, it based its further high-end strategy on Windows NT. " — Preceding unsigned comment added by 170.75.140.124 (talk) 01:12, 14 November 2020 (UTC)
"I had the first Xenix distribution (developed by HCR in Toronto) in the US, ahead of Microsoft."
"We ended up selling a few of the boxes. The company was called MSD, located in Grand Rapids, Michigan. The only record of such is in a 1981 (Jan?) issue of Byte with our little ad in the back."
http://slashdot.org/comments.pl?sid=29920&cid=3213453
Maybe the Xenix article should mention HCR & MSD?
"The actual delivery of Xenix was not done by MS, it was built by Human Computing Resources (HCR) in Toronto. "
http://groups.google.com/group/comp.sys.next.advocacy/msg/1c4b56e1f9099c1b?rnum=8&filter=0
“ | Product Description
|
” |
Founder and CEO, Human Computing Resources Corporation (HCR), 1976-78 (part time), 1978-81 (half time), 1981-84 (full time).
"Founded, led, and built a successful, world class, multi-million dollar software company, HCR Corporation, 1976-84. I founded HCR (formerly, Human Computing Resources Corporation) in 1976, investing $11,000. Between 1978 and 1982, although no other money had been invested, I led the company through growth of 100% per annum to annual revenues of $1.3 million, and to a position as one of the world's premiere companies specializing in UNIX-based software. With the help of venture capital, HCR grew to 1984 annual revenues of $4 million. I hired a new President to run the company in 1984. We sold HCR to the Santa Cruz Operation (SCO) in 1990, and it continued as SCO Canada until early 1996. "
http://kmdi.utoronto.ca/rmb/CV_RMB_2006Nov15.pdf
"There were 33 institutions on Ferentz's 1975 list of users; there were 138 in September 1976, 37 of them outside the U.S. And, in 1977, Interactive Systems (Santa Monica, CA) became the first company to support Unix commercially. It was soon followed by Human Computing Resources in Toronto."
http://www.byte.com/art/9410/sec8/art3.htm —The preceding unsigned comment was added by NevilleDNZ (talk • contribs) 13:27, 30 April 2007 (UTC).
NevilleDNZ 12:55, 30 April 2007 (UTC)
I worked in a Tandy Computer Centre around 1985. I took to Xenix in a big way and ended up collecting a few of The Tandy's. I also ended up with a lot of manuals. (All gone now..) The TRS-80 Model 16a - 16b were 8" floppy. The first Xenix I could find (I ended up working in Tandy Australia's Head Office - Doing Computer Support) Was Version 7. Not System III. Version 7 shipped with TRS-80 Model 16a's. 16b's were sold with the Version 7 and needed to be upgraded to System III when it became available. I would say that all Tandy Model 6000's (the last in the range) were sold with System III. Althought the earlier System 7 would operate. There were subtle hardware differences between the 2 models. Therefore System III seemed the better choice. Also the system 7 implementation plain and simple had more issues. The System III version had more bells and whistles. Of course developement systems were available to both flavours of Xenix. The source of both versions contained SCO and Microsoft ownership messages. So SCO and Microsoft were involved in Xenix pre System III. I also had an early Tandy Xenix manual that described the proceedure for bootstrapping Xenix on a PDP11 from a tape backup unit. It was supplied as a guide with one of the early tandy units I picked up. That unit was running 8" winchester 8MB hard disks from memory. But the manual wasn't relevant to use to boot with. It was more as a early system admin guide. I think some of this needs to be mentioned. The earlier versions of Xenix were supplied on 8" floppy. No one mentioned Cromemco? When we were selling the TRS-80 Model 16a (for AU $10k basic system) the Cromemco was our nearest competitor in cost terms? —Preceding unsigned comment added by 203.173.51.90 (talk) 05:58, 21 October 2007 (UTC)
Intel made computers? Intel is a chipmaker, I don't think they ever made a complete computer therefore why would they OEM Xenix??? —Preceding unsigned comment added by 24.185.28.136 (talk) 02:58, 14 April 2008 (UTC)
Intel made several computers, mainly using multibus. They did a series of 8080 based development machines in the 70s, that included the infamous ICE (in circuit emulator), which they also sold separately. The first 8086 one we had in the xenix team at microsoft in 1981 had an 8 inch floppy, a purpose made memory map using the "buddy system", and a smallish hard drive--probably 20MB or so. I can't remember its name. Later on, they made a more compact system that had 5" floppies and fewer card slots. it resembled the 386 based "320" in the reference above. I think it was called the "586" but my memory isn't clear. we worked with intel extensively on the design of the 80286, and integrating the memory mapping system with the CPU was largely due to pressure from us. — Preceding unsigned comment added by Hans42 (talk • contribs) 08:40, 8 December 2011 (UTC)
From the '83 Xenix OEM catalog:
“ | Product Description Microsoft XENIX Operating System from Intel Intel offers the Microsoft XENIX operating system to volume end-users and OEMs using Intel boards and systems. The Intel product is the complete XENIX product derived from Bell Laboratories' UNIX Version 7. This includes the operating system, program development environment, text processing, information handling and miscellaneous utilities. The current Intel product is configured for operation in the Intel System 86/330 and System 86/730 families. This includes the System 86/330X, System 86/380X and System 86/730. The System 86/330X includes an iSBC 86/30 processor board, an iSB[E]C 309 memory management unit, 384KB RAM, a 35MB Winchester disk, and a 1.1MB floppy disk in a pre-assembled, pre-configured system. The System 86/730 is an 86/330X with 768KB RAM and integrated software (not available separately) that includes spreadsheet (Multiplan), word processing, relational database management, and a menu/forms package. Both these systems offer high performance multi-user support in a systems environment. The current Intel product will also operate with an equivalent user-assembled system of Intel boards. These include the iSBC 86/12 with an iSBC 308 or an iSBC 86/30 or 86/14 with an iSBC 309 for the processor board and iSBC 215 and iSBX 218 disk controller. A minimum of 20MB of hard disk is also required. Future releases of the product will include additional device drivers, Microsoft XENIX enhancements (including a System Ill Upgrade), and configurations tor the Intel iAPX 186 and 286 microprocessors. Intel offers the complete XENIX solution including hardware, software, and support. |
” |
I think the one appearance of "iSBEC" was a typo (but iSBX isn't--Intel was very fond of coining brands back then), but otherwise the ad speaks for itself. Also given is "First customer ship: July 1982". Someone not using his real name (talk) 04:09, 21 February 2014 (UTC)
Does anyone care about non-technical information about Xenix, such as that from a SCO price list? I'm trying to throw away some old literature from the Xenix days, and don't want to discard anything that historians might consider to be useful some day. The pricelist includes, for example, the list of hardware manufacturers and models for which Xenix distributions were available in November 1, 1987, the products available for each, and the prices, which differed for the various platforms. Also, I have a technical training schedule and pricelist, a SCO background paperon "Multiuser vs. Networking", a "Xenix 2.2 Technical Backgrounder" dated January 1987, and "The SVID as Today's Best Non-Proprietary Specification for an Interface to an Operating System" background paper dated September 23, 1987. R68000 (talk) 23:11, 21 December 2008 (UTC)
--Jerome Potts (talk) 11:47, 24 March 2010 (UTC)
link to http://www.unicom.com/pw/faq/sco-xenix.faq is dead —Preceding unsigned comment added by 76.105.243.211 (talk) 08:15, 24 September 2010 (UTC)
It was accessed 2020-11-23 5:49pm PST. Its a text file with extension faq. If you download it, change its extensn to .faq.txt, and your browser can read it. 170.75.140.124 (talk) 01:52, 24 November 2020 (UTC)
An image used in this article, File:Xenix Screensnap.PNG, has been nominated for speedy deletion for the following reason: Wikipedia files with no non-free use rationale as of 19 May 2012
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To take part in any discussion, or to review a more detailed deletion rationale please visit the relevant image page (File:Xenix Screensnap.PNG) This is Bot placed notification, another user has nominated/tagged the image --CommonsNotificationBot (talk) 10:14, 23 May 2012 (UTC) |
As I have mentioned before, I have several problems with this screenshot, the least of which, is its a screen capture from a known source SHOWING that This is both Xenix 286, and ITS NOT BOOTING UP! Its an attempt a booting up. In regards to having any link to Microsoft, this is a buried failed product, everyone who got their hands on it, washed Microsoft off. All SCO packaging says SCO, not SCO from Microsoft or SCO, a division of Microsoft.
I would nominate this to replace it:
https://dn790002.ca.archive.org/0/items/TNM_Xenix_operating_system_-_SCO_20180304_0122/TNM_Xenix_operating_system_-_SCO_20180304_0122.pdf — Preceding unsigned comment added by 207.53.252.58 (talk) 03:39, 30 November 2023 (UTC)
According to the 1983 OEM directory, there was no such limitation. There are only two Z8000-based systems hardware providers there (w/Xenix, that is). Central Data Corporation (with a Z8000 product, first customer ship: January 1981) and Paradyne Corporation (with a Z8001 product, so I'm guessing this was the fabled first port, although given that their first customer ship was March 1981, this issue might be wrong as well.) As a side note, I think the external MMU issue applied to them as well. Someone not using his real name (talk) 17:08, 20 February 2014 (UTC)
Indeed, the AT&T 6300 Plus shipped Unix System V for $99. The lowest I have SysV from anyone else around this time frame was $595. I'll see if I can find some secondary source to comment on this huge price discrepancy between AT&T's own distro and what OEM vendors could get (from AT&T). Someone not using his real name (talk) 18:00, 20 February 2014 (UTC)
In that '83 OEM directory, MS put themselves as Xenix customer/OEM for... Apple Lisa (with a note that the hardware was supplied by Apple.) Someone not using his real name (talk) 18:45, 20 February 2014 (UTC)
SCO sold a XENIX distribution for the Apple LISA back then. Microsoft was involved with its development. — Preceding unsigned comment added by Ldimershein (talk • contribs) 04:02, 11 June 2018 (UTC)
It looks like the floppy is of the IBM PC AT Xenix 1.0 mentioned here, which is actually based on System III, so probably based on MS Xenix 2.x or even 3.0. IBM had this issue that they didn't want to release products for their machines with version numbers based on somebody else's product versioning scheme. Someone not using his real name (talk) 11:41, 21 February 2014 (UTC)
Quote from [5]:
“ | In April 1984 IBM announced the XENIX OS for it’s m68k-based System 9000. This one was based on MS XENIX 2.3 and UNIX V7, for more details see Announcement 284-159.
The IBM PC XENIX OS Version 1.0 was announced in August 1984 (284-279) for IBM PC AT 5170 Model 99 and should had become available at Q1 1985. So it’s basically an OEM version of XENIX 286 implementing a subset of UNIX System III (called XENIX System III) which has been ported by the Santa Cruz Operation. IBM PC XENIX OS Version 2.0 announced in March 1986 (286-115) was based on a subset of UNIX System V. |
” |
HTH, Someone not using his real name (talk) 11:51, 21 February 2014 (UTC)
We have a contradiction in the article. On the one hand, we have primary sources for the existence of 3.0 and secondary for 5.0; on the other, we state that the very last version was 2.3.4.
Now my interpretation, based on the screenshot, is that the confusion stems from the following:
I'm going to make changes to the article based on this interpretation, which does not contradict any of the cited sources. If a source can be found that contradicts my edits, feel free to add it and edit accordingly. QVVERTYVS (hm?) 10:31, 28 February 2014 (UTC)
Your changes are accurate, but simplified. XENIX 1.0, was System 7, XEXIX 2.0 was System III, XENIX 5.0 was supposed to be System V, but was release before that happened, but became System V before its release. It was started as system III+BSD, morphed into System 7, and was late because of the pending System V. There is a chart, but its only slightly accurate as product changes were made between announcement and shipping. "Fries! Now with Katsup!" This was at the middle ages of the UNIX Wars. ( there were at least 10 UNIXs for PCs at this time. ) — Preceding unsigned comment added by 170.75.140.124 (talk) 21:43, 13 November 2020 (UTC)
More on the weird versioning and marketing: https://museo.freaknet.org/gallery/software/xenix/versions.txt — Preceding unsigned comment added by 170.75.140.124 (talk) 05:08, 14 November 2020 (UTC)
Although it is not discussed in the article, I suspect that virtual terminal capability turned out to be one of the most influential and historically important features of XENIX. Apple's melding of virtual terminals with the Xerox/PARC GUI idea resulted in the windowing GUI - an incredibly powerful synergy. XENIX is a historical sleeper that way.
75.111.20.66 (talk) 22:13, 13 December 2014 (UTC)
From the Wikipedia Article 3270PC, "Only one PC DOS task can be run at any given time, but in parallel with this, the Control Program can run up to four mainframe sessions." ( October, 1983 )
Trusted Xenix, under the name Secure Xenix, was first developed at IBM Federal Systems Division, beginning in 1985. There were (as I recall) two releases, in 1987 and 1988. We also released a text-windowed version, based on Viewnix. The B2 evaluation process began while it was an IBM product, but everything was given over to TIS starting in 1989. This was just the 286-based version; while we considered Xenix 386, at that point, IBM's focus had shifted to AIX. (Note: I'm familiar with the history as I was part of that group, starting in late 1986.) Mahousu (talk) 01:18, 10 August 2015 (UTC)
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@Schily:, here you reverted my change where I had inserted the bolded clause into the below sentence:
with the comment "rv false claim: AT&T was not allowed to sell or market anything that telephone services". But surely they sold Microsoft (and many other companies) a Unix license (I assume by that you meant to say other than), which contradicts your claim that the only thing AT&T was allowed to sell was telephone services, since surely the Unix license they sold to Microsoft was not a telephone service. Also, the next sentence "It instead licensed the software to others" doesn't make any sense, since it sets up a false opposition between sell and license – AT&T sold a Unix license to Microsoft, and Microsoft sold Xenix licenses to end customers, which were sub-licenses of the AT&T Unix license. Legally, what AT&T did to Microsoft isn't that different from what Microsoft did to its end-customers. Microsoft could only sell customers Xenix licenses because that was legally permitted under the terms of the Unix license AT&T sold to it. Microsoft was effectively a Value-added reseller (VAR) of AT&T (whether or not AT&T ever actually used that term). Given that, I think my wording is more accurate than yours. SJK (talk) 10:15, 25 April 2016 (UTC)
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A "successor" should have more in common than just being later on the timeline. A reliable source is needed to support the editor's opinion TEDickey (talk) 22:09, 5 November 2017 (UTC)
Not related to contents. I am retracting everything I said.
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Hello. You might want to know that the IP address of this person matches a very well-known vandal, sock and block evader. He (or maybe she) has no rights to edit Wikipedia. Best regards, Codename Lisa (talk) 13:46, 6 November 2017 (UTC) Well, if I ever wanted an actual proof that this is the same sock, this revert proves it. If it was an innocent person, he or she would have replied with "you are wrong", "you are a liar", or "you are an idiot". But this one postpones the proclamation of "I am not every IPv6 anon" to the very end". His priority, as always, is villification, by saying "bad faith comment by Codename Lisa". And most importantly, calls me "she". I have not announced a gender and the pronoun "she" is only used by a certain group of people, against whom the sock has grudges. People who meet me first hand have never called me "she". — Codename Lisa (talk) 17:45, 6 November 2017 (UTC)
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I think it is true that OS/2 was technically influenced by Xenix, the influence mainly goes through MS-DOS/PC-DOS. If you read the DOS 2.0 source code and the associated documentation, it is very clear that DOS 2.0 was heavily influenced by Xenix, and Microsoft planned to evolve DOS to become more and more like Xenix, although they never got that far (I guess "European DOS 4.0" was the closest DOS ever became to becoming Xenix-like). OS/2 was obviously heavily influenced by DOS, although I'm not sure how much independent influence Xenix (or other Unix variants) had on it. Microsoft and IBM knew that DOS was a very limited operating system, and they needed something more advanced to succeed it – initially Microsoft saw Xenix as having that role, and then OS/2, and then finally Windows NT. So I think it is true that OS/2 succeeded to the role of Xenix in Microsoft's business strategy. But, it is always troublesome trying to distill the complexities of reality to a single link in an infobox, and so in the end I think I agree with TEDickey that the link to "OS/2" is better omitted from the infobox, since it could cause confusion (e.g. the logical inference that Xenix had significant direct technical influence on OS/2, when it is unclear how true that actually is.) SJK (talk) 08:27, 7 December 2017 (UTC)
A see-also to a system lacking any influence other than a 30-year-separated involvement by one of the developers is irrelevant. TEDickey (talk) 21:57, 18 April 2018 (UTC)
It appears that period publication used all-caps for the name. If this was the standard name during its time then it seems that the article should replace Xenix with XENIX for greater accuracy. See an example: https://i.postimg.cc/VLbyqzt9/xenix.png — Preceding unsigned comment added by 107.77.193.114 (talk) 05:36, 20 August 2019 (UTC)
What is this on the Article page? [12]:9[note 2] right after: The first Intel XENIX systems shipped in July 1982. Jimj wpg (talk) 7:48 pm, Today (UTC−5)
Removed the claim for Trusted Xenix: "second highest level achieved by any O/S" - presumably true if only A1 (no A2 or B3) was achieved, but misleading: several OS achieved A1 and at least one other achieved B2 and B3 (B3 is higher than B2), so the implied "second most secure O/S" is false. It's like saying, if someone won a silver medal at the Olympics "They won the second best medal in Olympic history". All the best: Rich Farmbrough 13:27, 22 May 2024 (UTC).