Squashfs is a highly compressed read-only filesystem for Linux.  It
uses either gzip/xz/lzo/lz4/zstd compression to compress both files,
inodes and directories.  Inodes in the system are very small and all
blocks are packed to minimise data overhead. Block sizes greater than
4K are supported up to a maximum of 1Mbytes (default block size 128K).

Squashfs is intended for general read-only filesystem use, for archival
use (i.e. in cases where a .tar.gz file may be used), and in constrained
block device/memory systems (e.g. embedded systems) where low overhead is
needed.

This package contains tools to manipulate squashfs archive files.