Debian 7.0 comes with EXT4 as the default filesystem
As you can see from the image above, the Debian Linux developers have announced the exact date for the release of the highly anticipated Debian 7.0 (Wheezy) operating system.It appears that Debian 7.0 will add the EXT4 filesystem by default for new installations, replacing the old EXT3 one from previous versions.
Systemd will be available as an option, as SysVinit will be the default for Debian 7.0. Among the included desktop environments, we can mention GNOME 3.4, KDE 4.8 and Xfce 4.8.
The FFmpeg packages will be replaced by the libav media project, and real-time (RT) kernel options will be available by installing the respective kernel packages.
Last but not least, the Debian Installer will now support UEFI installations on 64-bit architectures, as well as support for WPA and WPA2 wireless networks.