This is the gzextfs package. It is a FUSE filesystem implementation which is able to mount a gzip compressed ext2/3/4 image. Installation instructions: make make install Usage instructions: gzextfs --filename=image.gz /mnt The official source code repository for gzextfs can be found at: https://github.com/tdm/gzextfs Copyright (C) Tom Marshall Licensed under the GNU Public License version 2.