ubuntu-logoUbuntu 9.04, released yesterday, has got a lot of great new features. One of them is ext4 filesystem. If you don't know about it yet, ext4 is more useful than you think it is, from the ext3. ext4 filesystem supports large volumes of files, backward compatibility with ext2 and ext3, persistent pre-allocation of on-disk space for a file, delayed allocation, journal checksumming, online defragmentation and many more such things. If that isn't enough for you, Jaunty Jackalope has been a very fast, powerful and beautiful distro version of Ubuntu that everyone is appreciating. So to avail of the upgrade from your Ubuntu 8.10 to Ubuntu 9.04 and also improve your file system from ext3 to ext4, read the quick  guide.

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