Debian 8.2(Update - From 8.1 to new 8.2) is the first Debian release to use systemd as the default init software. Debian Jessie ships with GNOME Shell 3.14 as the default desktop environment and a number of code hardening features have been added to the build process. It will be supported for the next 5 years. Debian 8.2 x64(64bit) DVD 1 set is an Update DVD