Btrfs and Squashfs merged into Linux kernel Jan 12, 2009, 10 :05 UTC (0 Talkback[s]) (5242 reads)
"Btrfs is a "next generation file system" which is destined to be a future default Linux file system. In contrast to Shashfs, Btrfs is still very much in development, and in the meantime work continues on Ext4 as a more immediate replacement for the current Ext2 and Ext3 file systems, which have a number of limitations. "
