APT: package query application

[Kristian Hermansen]

I'm looking for a clever way to make apt tell me all the installed
packages and sort by size.  I am upgrading to Ubuntu Gutsy [tribe cd1]
(7.10), but would you believe I don't have enough disk space!?!?  I
need to remove a few big and stale packages...
-- 
Kristian Hermansen

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