It looks like this option is only available if tasksel is installed. See http://ubuntuforums.org/showthread.php?t=1594928.
Since synaptic does not currently suggest or recommend tasksel, this needs to be installed separately, which might not be obvious. ** Summary changed: - "Mark packages by task" missing from synaptic + "Mark packages by task" missing from synaptic if tasksel is not installed ** Tags added: precise -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/605186 Title: "Mark packages by task" missing from synaptic if tasksel is not installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/synaptic/+bug/605186/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs