.SQUASHFS File Extension
File TypeSquashfs File System File
What is an SQUASHFS file?
Compressed file used by Squashfs, a read-only file system software for Linux; stores the file system data in a highly compressed read-only format; supports files, inodes, and directories; optimized for archiving and read-only file system use.
SQUASHFS files are sometimes found within Linux installation packages.
NOTE: Squashfs files more commonly use the .SFS extension.