NILFS este un acronim pentru New Implementation Of a Log-structured Filesystem. Este un sistem de fisiere dezvoltat de NTT Labs si a ajuns la versiunea stabila 1.0. Este prezentat ca un sistem sigur, in care nu pot aparea pierderi de date. Detalii aici. Alte facilitati:
* Fast write and recovery times
* Minimal damage to file data and system consistency on hardware failure
* Correctly ordered data and meta-data writes
* File and inode blocks are managed by a B-tree structure
o Can create and store huge files
* Internal data are processed in 64 bit wide word size
