# BTRFS | | **BTRFS** is a computer storage format that combines a file system based on the copy-on-write (COW) principle with a logical volume manager, developed together. It was founded by Chris Mason in 2007 for use in Linux, and since November 2013, the file system's on-disk format has been declared stable in the Linux kernel. | |-|-| | | wikipedia:: [Btrfs](https://en.wikipedia.org/wiki/Btrfs) |