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What is the history of mainframe operating systems?

Does IBM still make mainframe computers?

  • Starting in 1998, IBM began developing a Linux-based operating system that could run on mainframes in place of mainframe-native systems. Today, mainframe computers are much smaller and more agile than they were decades ago. IBM mainframes are now about the size of a refrigerator.

What was the first virtual storage mainframe from IBM?

  • MP models of the Model 65 and Model 67 were made available in 1968. 7. The S/360-67 was the first Virtual Storage mainframe from IBM. n/a Not available.  Sources: A. Pedegs, "System/360 And Beyond," IBM Journal Of Research And Development, Vol. 25, No. 5, September 1981, Table 2, p. 387; various data on file in IBM Corporate Archives.

What happened to the mainframe in the 1980s?

  • By the 1980s, many mainframes supported graphic display terminals, and terminal emulation, but not graphical user interfaces. This form of end-user computing became obsolete in the 1990s due to the advent of personal computers provided with GUIs.

image-What is the history of mainframe operating systems?
image-What is the history of mainframe operating systems?
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