Mint 201403 "Debian" os is the distribution's rolling-release variant based on Debian's "Testing" branch:Highlights: update pack 8; Cinnamon 2.0; MATE 1.6; latest Mint tools and improvements; support for EFI and GPT. If you're new to LMDE, welcome to Linux Mint Debian! LMDE in brief: Linux Mint Debian Edition (LMDE) is a semi-rolling distribution based on Debian 'Testing'; it is available in both 32-bit and 64-bit variants as a live DVD with Cinnamon or MATE; the purpose of LMDE is to look identical to the main edition and to provide the same functionality while using Debian GNU/Linux as a base.

About Linux Mint

Linux Mint is an Ubuntu-based distribution whose goal is to provide a more complete out-of-the-box experience by including browser plugins, media codecs, support for DVD playback, Java and other components. It also adds a custom desktop and menus, several unique configuration tools, and a web-based package installation interface. Linux Mint is compatible with Ubuntu software repositories.