Programming Language/System

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What Does Programming Language/System Mean?

Programming Language/System (PL/S) is a language developed by IBM to replace assembly language. It is a machine language. Programming Language One (PL/I) is the base of this language.

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PL/S is also known as Basic Systems Language.

Techopedia Explains Programming Language/System

IBM developed PL/S in late 1960. The IBM flagship operating system (OS) was rewritten using PL/S. IBM considered PL/S as proprietary for a long time despite the company receiving many requests to release it as an open source language. IBM eventually opened the OS source code to its customers so they could finally read and interpret the language.

The first PL/S publicly available was released by a developer who formerly worked for the RAND Corporation who released the documentation without IBM’s permission. The court granted IBM the right to prohibit the fully functional PL/S compiler.

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Margaret Rouse
Technology expert
Margaret Rouse
Technology expert

Margaret is an award-winning writer and educator known for her ability to explain complex technical topics to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles in the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret’s idea of ​​a fun day is to help IT and business professionals to learn to speak each other’s highly specialized languages.