The LSB 4.0 Specification

This is the approved final version of the LSB 4.0 specification. The tables below present two popular formats, you may also go to the page with all formats.

Release notes outlining changes from the previous release of the specification can be found at http://www.linuxfoundation.org/en/ReleaseNotes40

Note that LSB Core 4.0 specification is a later version of the ISO/IEC International Standard 23360, which corresponded to LSB 3.1. This edition is not to be considered an ISO standard at this time.

LSB 4.0 was released May 1, 2009

Note: if you are planning to certify conformance to LSB 4.0, please begin by reading the applicable Product Standard.