PL/S - Programming Language/Systems. IBM late 60s, for the IBM 360 and
370. A machine-oriented language derived from PL/I, permiting inline
assembly code and control over register usage. Much of IBM 360
OS/MFT/MVT/SVS/MVS was written in it. Used internally, never released to
the public. Documented by various IBM internal ZZ-? publications. "PL/S,
Programming Language/Systems", W.R. Brittenham, Proc GUIDE Intl, GUIDE 34,
May 14, 1972, pp.540-556. Versions: PLS1, PLSII.
Comments, Experience, Additions
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