In your version of Ubuntu, /usr/bin/screen actually belongs to a package called "screen-profiles", which provides a wrapper around "screen.real". They've gotten rid of the wrapper for future versions of Ubuntu.
In the meantime, you should try chmodding /usr/bin/screen.real, instead. ** Package changed: screen (Ubuntu) => screen-profiles (Ubuntu) -- screen doesn't acknowledge suid https://bugs.launchpad.net/bugs/429345 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs