Apple Flavored Unix: The List

Free Unixen

• Powermac/Linux (or Linux/pmac or LinuxPPC)
  Linux for PCI Power Macs (requires Open Firmware, which NuBus architecture Power Macs lack).
  • Offers 603e, IDE, Floppy, and Audio support.
  • The FAQ-O-Matic offers a somewhat up to date list of supported machines (as well as other info).
    
  • CD-ROM distributions of Linux for other PowerPC-based hardware are available from: http://www.linuxppc.com/.
  • Yellow Dog Linux is another commercial supplier of Linux for Power Macs.
  • Linux/pmac page at samba.
  • The Linux/pmac bug tracking system.
  • Usenet: comp.os.linux.powerpc.
  • See ftp://ftp.yellowdoglinux.com/pub/yellowdog/kernel/blueg3/ for Blue & White Power Mac G3 stuff.
  • A powerpc port of Debian GNU/Linux is in progress, and is expected to be released with the next Debian "stable" release.

• Linux/mac68k
  The 68K Mac port of Linux.
  • There is a status page.
  • Current Info -- Status, supported systems, latest kernels, etc.
  • Linux/mac68k FAQ.
  • Various Documentation.
  • Developer Info (including a todo list).
  • The m68k port of Debian GNU/Linux supports Macs.
  • Usenet: comp.os.linux.m68k.

• MkLinux
  Port of OSF Mach 3 Microkernel, plus a Linux "single server".
  • Supports Nubus and (most) PCI Power Macs.
  • Ports to Intel x86 and HP PA-RISC hardware also exist.

• NetBSD/mac68k
  The 68k Mac port of NetBSD.
  • The current full release is 1.4.
  • NetBSD/mac68k changes to 1.4
    
  • 1.4 supports nearly every '040 (only machines with 68040s, 68LC040-based machines are not supported) and '030 Mac and the '020-based Mac II (if it has a 68851 PMMU installed) and LCII.
  • There is additional info (including FAQs and HOWTOs) at http://www.macbsd.com/macbsd/ (some of the info here may also be relevant to OpenBSD).

• NetBSD/macppc
  The PowerMac port of NetBSD.
  • Currently in very early development.
  • NetBSD/macppc FTP site.

• OpenBSD/mac68k
  The 68k Mac port of OpenBSD.
  • Supports pretty much the same Macs as NetBSD/mac68k, plus many other differences in the machine-independant parts of the OS.

• MacMiNT
  • MacMiNT is a port of MiNT from the Atari ST to the Macintosh. MiNT is an enhanced version of the Atari OS TOS that supports many UNIX-like features.

Semi-Free Unixen

• MacMinix
• MacMinix is the Macintosh version of MINIX. MINIX is a Unix clone, which contains no AT&T code.
  This means that the source code can be made publicly available.

Proprietary Unixen

• MachTen
  Runs as a MacOS process, supports 68k and PowerMacs.
  • Power MachTen, for Power Macs.
  • Professional MachTen, for 68K Macs.
  • MachTen FAQ
  • The Usenet newsgroup: comp.unix.machten

• A/UX
  Apple's own UNIX for 68K Macs, discontinued.
  • Based on UNIX System V R2
  • Includes a Mac OS emulation environment