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Mark Williams Company

The Mark Williams Company was a small software company in Chicago, Illinois (later moved to Northbrook) that created Coherent, one of the first Unix-like operating systems for IBM PCs and several C programming language compilers. It was founded by Robert Swartz in 1977[1] and discontinued operations in 1995. The name comes from the middle name of Robert Swartz's father, William Mark Swartz.

Mark Williams Company
IndustrySoftware industry
Founded1977 in Chicago, Illinois, U.S.
FoundersRobert Swartz
Defunct1995
FateDisestablished
Headquarters,
U.S.
ProductsCoherent

Robert Swartz moved the company (originally producing a soft drink called Dr. Enuf[2][3]) into software with his father's help and the company became known as the Mark Williams Company.

Mark Williams won a patent lawsuit (U.S. patent 4,956,809) centered on 'byte ordering'.[citation needed] Separately, and at that time,[when?] Linux had made serious inroads in the UNIX clone market. Since Coherent was a commercially available package and Linux was distributed freely on the Internet via their GNU public license, Coherent sales plummeted and Swartz had no choice but to cease operations in 1995.[citation needed]

Products edit

  • Produced Coherent, a clone of Unix.
  • csd, C source debugger.[4]
  • Let's C, low-cost professional C compiler for the IBM PC.[5]
  • Mark Williams C for CP/M-86.
  • Mark Williams C for the Atari ST, first major C programming environment for the ST computers.
  • XYBasic, a process control BASIC running on CP/M that could be burned on to memory (EPROM) and run on an 8080 standalone processor.

References edit

  1. ^ Ness, Stephen. "XYBASIC". Ness Software. Retrieved 20 May 2017.
  2. ^ Lee, Joseph. "Dr. Enuf: The story of Johnson City Tennessee's most famous product". Tazewell-Orange.com. Retrieved 2013-03-03. In 1949 William Mark Swartz, President of Mark Williams Chemical Co. of Chicago, Ill., decided to create a soft drink that would relieve fatigue, headaches, indigestion etc….  He applied for a trademark for the drink on May 19, 1951.
  3. ^ Sauceman, Fred (2009). The Place Setting: Timeless Tastes of the Mountain South. Vol. 3. Mercer Univ. Press. pp. 89–97. ISBN 9780881461404. According to corporate lore, Bill Schwartz [sic], a Chicago chemist, developed the formula after hearing his co-workers complain of lethargy.
  4. ^ "Does your C compiler understand you're only human? (advertisement)". PC Magazine. May 14, 1985. p. 284.
  5. ^ Brown, T. D. (1990). C for Fortran Programmers. Silicon Press. p. x. ISBN 0-929306-01-5.

External links edit

  • START Vol. 1 No. 3 Mark Williams C & Menu by Arick Anders
  • START Vol. 2 No. 2 Mark Williams C 2.0 by Arick Anderson
  • Mark Williams Company documentation


mark, williams, company, this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor, de. This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Mark Williams Company news newspapers books scholar JSTOR December 2019 Learn how and when to remove this template message The Mark Williams Company was a small software company in Chicago Illinois later moved to Northbrook that created Coherent one of the first Unix like operating systems for IBM PCs and several C programming language compilers It was founded by Robert Swartz in 1977 1 and discontinued operations in 1995 The name comes from the middle name of Robert Swartz s father William Mark Swartz Mark Williams CompanyIndustrySoftware industryFounded1977 in Chicago Illinois U S FoundersRobert SwartzDefunct1995FateDisestablishedHeadquartersNorthbrook Illinois U S ProductsCoherentRobert Swartz moved the company originally producing a soft drink called Dr Enuf 2 3 into software with his father s help and the company became known as the Mark Williams Company Mark Williams won a patent lawsuit U S patent 4 956 809 centered on byte ordering citation needed Separately and at that time when Linux had made serious inroads in the UNIX clone market Since Coherent was a commercially available package and Linux was distributed freely on the Internet via their GNU public license Coherent sales plummeted and Swartz had no choice but to cease operations in 1995 citation needed Products editProduced Coherent a clone of Unix csd C source debugger 4 Let s C low cost professional C compiler for the IBM PC 5 Mark Williams C for CP M 86 Mark Williams C for the Atari ST first major C programming environment for the ST computers XYBasic a process control BASIC running on CP M that could be burned on to memory EPROM and run on an 8080 standalone processor References edit Ness Stephen XYBASIC Ness Software Retrieved 20 May 2017 Lee Joseph Dr Enuf The story of Johnson City Tennessee s most famous product Tazewell Orange com Retrieved 2013 03 03 In 1949 William Mark Swartz President of Mark Williams Chemical Co of Chicago Ill decided to create a soft drink that would relieve fatigue headaches indigestion etc He applied for a trademark for the drink on May 19 1951 Sauceman Fred 2009 The Place Setting Timeless Tastes of the Mountain South Vol 3 Mercer Univ Press pp 89 97 ISBN 9780881461404 According to corporate lore Bill Schwartz sic a Chicago chemist developed the formula after hearing his co workers complain of lethargy Does your C compiler understand you re only human advertisement PC Magazine May 14 1985 p 284 Brown T D 1990 C for Fortran Programmers Silicon Press p x ISBN 0 929306 01 5 External links editSTART Vol 1 No 3 Mark Williams C amp Menu by Arick Anders START Vol 2 No 2 Mark Williams C 2 0 by Arick Anderson Mark Williams Company documentation nbsp This article about an IT related or software related company or corporation is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Mark Williams Company amp oldid 1147858977, wikipedia, wiki, book, books, library,

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