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27.1 The Operating System

The Common Lisp function software-type returns a generic name for the Operating System. The Common Lisp function software-version returns information about the version of the Operating System.

In particular software-type cannot be used to distinguish between different versions of Windows, whereas software-version allows you to identify variants such as Windows Vista, Windows 7, Windows 8, Windows 10 and so on. See the manual pages for details.

LispWorks® User Guide and Reference Manual - 01 Dec 2021 19:30:24