See for information about Debian GNU/Linux and for information about Debian Ports.

The debian-ports infrastructure supports the following suites:

Unstable, or sid. Access this release through dists/unstable. The
current development snapshot is named sid. Untested candidate
packages for future releases.

Experimental. Access this release through dists/experimental. Packages
which are still being developed, and are still in the alpha testing stage.

Unreleased. Access this release through dists/unreleased. Packages that
requires architecture specific changes to build or work.

--- Other directories:
doc Debian documentation.
indices Various indices of the site.
project Miscellaneous files.