JerryPreview

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Welcome! (start here)
God
Stuff
Human-Powered Stuff
Human Computers
Computers
Computer Companies
IBM (1888 as CTR)
IBM Hardware

IBM Mainframes

Parents

IBM Hardware
Mainframes

Children

IBM 650 (1953)
IBM 700/7000 series (1953, 7000s were transistorized)
IBM 8000 (1961 failed mainframe project, replaced by S/360)
IBM ESA/390
IBM System/360 (1964)
IBM System/370 (1970)
JCL (Job Control Language)
MVS
SHARE (1955 user group)
z/Architecture
zOS

Jumps

Amdahl Corporation (1970)
Mainframe Software

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