Squashfs
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| − | '''Squashfs''' is a compressed read-only filesystem for Linux. Typically used as a "live image" for booting Linux off a removable storage (e.g. USB, CD/DVD), minus components like the bootloader, kernel and initramfs.<ref>[https://fedoraproject.org/wiki/Changes/EROFSforLiveMedia EROFS For Live Media - Fedora Project]</ref> It is also used in modern AppImage,<ref>[[wikipedia:AppImage#History|History of AppImage - Wikipedia]]</ref>, or Snap<ref>[[wikipedia:Snap_(software)#Support|Snap - support section - Wikipedia]]</ref> as a way portable software distribution on Linux. Squashfs can also be used to store other data, such as disk images.<ref>[https://www.foo.be/2017/01/Squashfs_As_A_Forensic_Container Squashfs As a Forensic Container - foo.be]</ref> Under Windows, Squashfs contents can be opened/extracted via [[7-Zip]].<ref>[https://stackoverflow.com/a/36877207 python2.7 How to handle squashfs in Windows - StackOverflow]</ref> | + | '''Squashfs''' is a compressed read-only filesystem for Linux. Typically used as a "live image" for booting Linux off a removable storage (e.g. USB, CD/DVD), minus components like the bootloader, kernel and initramfs.<ref>[https://fedoraproject.org/wiki/Changes/EROFSforLiveMedia EROFS For Live Media - Fedora Project]</ref> It is also used in modern AppImage,<ref>[[wikipedia:AppImage#History|History of AppImage - Wikipedia]]</ref>, or [[Snap]]<ref>[[wikipedia:Snap_(software)#Support|Snap - support section - Wikipedia]]</ref> as a way portable software distribution on Linux. Squashfs can also be used to store other data, such as disk images.<ref>[https://www.foo.be/2017/01/Squashfs_As_A_Forensic_Container Squashfs As a Forensic Container - foo.be]</ref> Under Windows, Squashfs contents can be opened/extracted via [[7-Zip]].<ref>[https://stackoverflow.com/a/36877207 python2.7 How to handle squashfs in Windows - StackOverflow]</ref> |
See also [[cramfs]]. | See also [[cramfs]]. | ||
Revision as of 00:36, 12 August 2025
Squashfs is a compressed read-only filesystem for Linux. Typically used as a "live image" for booting Linux off a removable storage (e.g. USB, CD/DVD), minus components like the bootloader, kernel and initramfs.[2] It is also used in modern AppImage,[3], or Snap[4] as a way portable software distribution on Linux. Squashfs can also be used to store other data, such as disk images.[5] Under Windows, Squashfs contents can be opened/extracted via 7-Zip.[6]
See also cramfs.
Contents |
Examples
Create a Squashfs (file system) image from current/present directory and output it into its parent directory:
$ mksquashfs . ../example.squashfs -b 1048576 -comp xz -Xdict-size 100%
Open a Squashfs image (as root) from present directory and have its contents visible in /mnt:
# mount example.squashfs /mnt
Open a Squashfs image (as user) from present directory and have its contents visible in /mnt/temp:
$ squashfuse example.squashfs /mnt/temp
Software
- 7-Zip
- Squashfuse (Unix-like only)
