:~$ lsb_release -a && uname -a && dpkg -l | egrep 'flash|gnash|swf|spark' && apt-cache policy firefoxLSB Version:	core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu 12.04.1 LTS
Release:	12.04
Codename:	precise
Linux Diabolos 3.2.0-33-generic #52-Ubuntu SMP Thu Oct 18 16:29:15 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
ii  anki                                   1.2.9-2                                    extensible flashcard learning program
ii  flashplugin-installer                  11.2.202.251ubuntu0.12.04.1                Adobe Flash Player plugin installer
firefox:
  Installed: 17.0+build2-0ubuntu0.12.04.1
  Candidate: 17.0+build2-0ubuntu0.12.04.1
  Version table:
 *** 17.0+build2-0ubuntu0.12.04.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages
        100 /var/lib/dpkg/status
     11.0+build1-0ubuntu4 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages