Debian “etch” Release Information

Debian GNU/Linux 4.0r9 was released on May 22nd, 2010. Debian 4.0 was initially released on April 8th, 2007. The release included many major changes, described in our press release and the Release Notes.

Debian GNU/Linux 4.0 has been superseded by Debian GNU/Linux 5.0 (lenny). Security updates have been discontinued as of the end of February 2010.

To obtain and install Debian GNU/Linux, see installation information page and the Installation Guide. To upgrade from an older Debian release, see the instructions in the Release Notes.

The following computer architectures were supported in this release:

Contrary to our wishes, there may be some problems that exist in the release, even though it is declared stable. We've made a list of the major known problems, and you can always report other issues to us.