Termos e Definições - Z
A re-branding of, and major upgrade to, IBM's Enterprise Systems Architecture (ESA) mainframe architecture, announced in 2000. Compared to ESA, z/Architecture provides increased power, 64-bit addressing and enhanced resource management. See ESA and zSeries.
The 64-bit operating system for IBM's zSeries mainframe servers. Introduced in 2000, z/OS succeeds 31-bit OS/390, which had been IBM's premier mainframe operating system since 1996. See zSeries and OS/390.
IBM's 64-bit mainframe product line, which includes its z800, z900 and z990 mainframe servers. The zSeries products are a re-branding of, and major upgrade to, IBM's S/390-class mainframe computers.