5.10 What's in the pool directory?
Packages are kept in a large `pool', structured according to the name of the
source package. To make this manageable, the pool is subdivided by section
(`main', `contrib' and `non-free') and by the first letter of the source
package name. These directories contain several files: the binary packages for
each architecture, and the source packages from which the binary packages were
You can find out where each package is placed by executing a command like
apt-cache showsrc mypackagename and looking at the `Directory:'
line. For example, the apache packages are stored in
Additionally, since there are so many lib* packages, these are
treated specially: for instance, libpaper packages are stored in