4 Linux for IBM ^ zSeries and S/390: Distributions
1.1 A brief history
In 1964, IBM announced the S/360 architecture. The “360” in the name referred
to all points on the compass because it was designed to be universal. These
systems have progressed with the brand names S/370, S/390, and now
zSeries,
which has a 64-bit architecture. Improvements in the hardware architecture were
made with each generation; in turn, the operating system and application
software were able to exploit these improvements to increase reliability,
availability and serviceability (RAS), and performance.
In 1969, UNIX, TCP/IP and Linus Torvalds were born. UNIX and TCP/IP grew in
the academic and scientific communities with a spirit of openness and
cooperation. In the ...