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  • green card
    n. [after the `IBM System/360 Reference Data' card] This is used for any summary of an assembly language, even if the color is not... VIEW ENTIRE DEFINITION


  •  View Definition: CTSS 

    CTSS


    /C-T-S-S/ n. Compatible Time-Sharing System. An early (1963) experiment in the design of interactive time-sharing operating systems, ancestral to {Multics}, {UNIX}, and {ITS}. The name {ITS} (Incompatible Time-sharing System) was a hack on CTSS, meant both as a joke and to express some basic differences in philosophy about the way I/O services should be presented to user programs.