User-Agent: Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5) Gecko/20040121 Firebird/0.7 When you are browsing many pages, and you accidently quit mozilla, or it crashes, it could have an option to reopen all the tabs that you were using when that happened, like Opera has. Reproducible: Always Steps to Reproduce: 1. 2. 3.
*** This bug has been marked as a duplicate of 36810 ***