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.
| Developer(s) | Phillip Lougher, Robert Lougher |
|---|---|
| Introduced | 2002 with Linux |
| Limits | |
| Max volume size | 16 EiB (264) bytes |
| Max file size | 16 EiB (264) bytes |
| Features | |
| Attributes | POSIX and extended attributes |
| Transparent compression | gzip LZMA LZO LZMA2 LZ4 Zstd |
| Other | |
| Supported operating systems | Linux |
| Website | github |
Squashfs is intended for general read-only file-system use and in constrained block-device memory systems (e.g. embedded systems) where low overhead is needed.
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