software-version Function

Summary

Identifies the version of the Operating System.

Package

common-lisp

Signature

software-version => description

Values

description⇩

A string or nil.

Description

The function software-version returns a string giving the version of the Operating System, or nil if this cannot be determined.

On Microsoft Windows systems, description begins with the specific Operating System. For supported systems this is "Windows Vista", "Windows Server 2008", "Windows 7", "Windows Server 2008 R2", "Windows 8", "Windows 10", "Windows Server 2012" or "Some Windows NT derivative". This is followed by the version numbers (Major.Minor), build number and optionally service pack.

Compatibility notes

On older unsupported operating systems, description commences with "Windows 95", "Windows 98", "Windows Millennium", "Windows NT", "Windows 2000" or "Windows XP".

Prior to LispWorks 7.1, the description begins with "Windows 8" when running on Windows 10.

Examples

(software-version)
=>
"Windows 8: 6.2 (build 9200) "

(software-version)
=>
"Windows 7: 6.1 (build 7600)"

(software-version)
=>
"Windows Vista: 6.0 (build 6000)"

See also

software-version in the Common Lisp HyperSpec
software-type