bmack@defiant:~$ dpkg -l "*metacity*"
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
un  metacity       <none>         (no description available)
ii  metacity-commo 1:2.20.0-0ubun Shared files of lightweight GTK2 based Windo
bmack@defiant:~$