IBM AIX
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AIX is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.
IBM RS/6000 AIX file servers used for IBM.com in the 1990s
AIX Version 4 console login prompt
AIX RS/6000 servers running IBM.com in early 1998
AIX RS/6000 servers running IBM.com in early 1998
PowerPC
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PowerPC is a reduced instruction set computer (RISC) instruction set architecture (ISA) created by the 1991 Apple–IBM–Motorola alliance, known as AIM. PowerPC, as an evolving instruction set, has been named Power ISA since 2006, while the old name lives on as a trademark for some implementations of Power Architecture–based processors.
IBM PowerPC 604e 200 MHz
The Freescale XPC855T Service Processor of a Sun Fire V20z