pixxi451@ubuntu:~$ dpkg -l grep swf; dpkg -l grep gnash; dpkg -l grep flash
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  grep           2.5.4-4build1  GNU grep, egrep and fgrep
No packages found matching swf.
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  gnash          0.8.7-0ubuntu1 free SWF movie player
ii  grep           2.5.4-4build1  GNU grep, egrep and fgrep
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  grep           2.5.4-4build1  GNU grep, egrep and fgrep
No packages found matching flash.
pixxi451@ubuntu:~$