SquashFS

Squashfs is a compressed read-only file system for Linux. Squashfs compresses files, inodes and directories, and supports block sizes from 4 KiB up to 1 MiB for greater compression. Several compression algorithms are supported. Squashfs is also the name of free software, licensed under the GPL, for accessing Squashfs filesystems.

Key facts

Filesystem.name: Squashfs
Filesystem.developer: Phillip Lougher, Robert Lougher
Filesystem.introduction_date: 2002
Filesystem.introduction_os: Linux
Filesystem.max_file_size: 16 EiB (264) bytes
Filesystem.max_volume_size: 16 EiB (264) bytes
Filesystem.attributes: POSIX and extended attributes
Filesystem.compression: gzip LZMA LZO LZMA2 LZ4 Zstd
Filesystem.OS: Linux

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Wikidata facts

Instance of: archive file format
Official website: github.com/plougher/squashfs-tools

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described at URL: github.com/AgentD/squashfs-tools-ng/blob/master/doc/format.txt
inception: 2002-10-23
operating system: Linux
copyright license: GNU General Public License, version 2.0 or later
programmed in: C
source code repository URL: git://git.kernel.org/pub/scm/fs/squashfs

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