list installed packages by using apt

[sktsee]

On Mon, 30 Jul 2007 12:11:47 +0200, Bram Kuijper wrote:

> Hi all,
> 
> any way to list any installed packages by using one of the apt tools? 
> ie. without using dpkg --list?
> 
> cheers,
> Bram

$ aptitude search ~i

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