Acorn ComputersARX Arthur RISC OS MOS Panos RISC iX [edit]Amiga Inc.AmigaOSAmigaOS 1.0-3.9 (68k) AmigaOS 4 (PowerPC) Amiga Unix ((aka Amix)) [edit]Apollo ComputerAEGIS Domain/OS One of the first network-based systems. Run on Apollo/Domain hardware. Later bought by Hewlett-Packard. vikek OS [edit]Apple Inc.For Apple IIApple DOS UCSD Pascal ProDOS GS/OS For Apple IIISOS (Sophisticated Operating System) For Apple LisaLisa OS For Apple NewtonNewton OS Classic Mac OSSystem Software 1 System Software 2 System Software 3 System Software 4 System Software 5 System 6 System 7 (codenamed "Big Bang") Mac OS 8 Mac OS 9 Unix-like operating systemsFor Macintosh ComputersFor 68k CPUsA/UX For PowerPC CPUsMkLinuxMac OS X v10.0 (aka "Cheetah") [.....]
