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 XP" , "Windows XP x64 Edition" , "Windows 2003" , "Windows Vista" , "Windows Server 2008" , "Windows 7" , "Windows Server 2008 R2" or "Some Windows NT derivative" . This is followed by the version numbers (Major.Minor), build number and optionally service pack.

Compatibility note

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

Example

(software-version)

=>

Windows 7: 6.1 (build 7600)

(software-version)

=>

"Windows Vista: 6.0 (build 6000)"

(software-version)

=>

"Windows XP: 5.1 (build 2600) Service Pack 2" 

(software-version)

=>

"Windows Millennium: 4.90 (build 3000)" 

See also

software-type