Programming Language/Systems


Programming Language/Systems

(language)(PL/S) An IBM machine-oriented language derivedfrom PL/I in the late 1960s for the IBM 360 and IBM 370.PL/S permitted inline assembly language and control overregister usage.

Much of IBM 360 OS/MFT(?), OS/MVT(?), OS/VS1 andOS/VS2 (OS/SVS and MVS) were written in PL/S. It wasused internally and never released to the public. It isdocumented in various IBM internal ZZ-? publications.

Versions: PLS1, PLSII.

["PL/S, Programming Language/Systems", W.R. Brittenham, ProcGUIDE Intl, GUIDE 34, May 14, 1972, pp. 540-556].