MacMach

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MacMach
Developer Carnegie Mellon University
OS family Unix-like
Working stateDiscontinued
Source model Proprietary
Marketing target Researchers, hobbyists
Supported platforms Macintosh
Kernel type Microkernel
Userland 4.3BSD
Default
user interface 		Command-line
License 4.3BSD, Mach 2.5
Succeeded by MkLinux, OS X, PureDarwin

MacMach is a computer operating system from the early 1990s, developed by Carnegie Mellon University. Architecturally, it consists of Berkeley Software Distribution (BSD) 4.3 code running on the Mach 3.0 microkernel, with the Apple Macintosh System 7 running experimentally as a Mach task. The entire system runs on select Macintoshes based on the Motorola 68000 series (68k) family of microprocessors: Mac II, IIx, IIcx, IIci, IIfx, and SE/30. Its license allows personal use only, provides no commercial support, requires the user to have an existing AT&T UNIX license, and includes Apple, Inc.'s restriction against further redistribution. [1] [2] [3] [4]

In 1992, a source distribution was tested by Apple and published on CD-ROM for US$100(equivalent to about $220 in 2024). Unigram/X compared it to the year-old MachTen which has universal hardware compatibility as a System 7 application. [4]

See also

References

  1. ↑ Williamson, Zon (December 9, 1993). "MacMach FAQ". Carnegie Mellon University . Retrieved March 3, 2015.
  2. ↑ Megginson, David (April 26, 1992). "MacMach". Newsgroup:  comp.os.minix . Retrieved March 3, 2015.
  3. ↑ Thompson, Mary (April 1994). "MacMach.demise". Carnegie Mellon University . Retrieved March 3, 2015.
  4. 1 2 "Carnegie Mellon Readies "Personal Use" $100 Mach for Mac". Unigram/X. September 7, 1992. p. 5. Retrieved January 31, 2026.
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