PL/1


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PL/1

[¦pē¦el′wən]
(computer science)
A multipurpose programming language, developed by IBM for the Model 360 systems, which can be used for both commercial and scientific applications.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

PL/1

(spelling)
It's spelled "PL/I".
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)