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.Linux Mint 15 RC is has Linux kernel 3.8.x version which introduces several upgrades and various improvements, including support for UEFI Secure Boot. The new Linux Mint 15 RC Olivia has two versions, Cinnamon 1.8.x and second is Mate DE 1.6.x.Linux Mint 15 RC has Nemo as default File Manager, Mint Display Manager (MDM), New Disk Manager (MintDisk) and many more.