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Cramfs
Other
Supported operating systems
Linux
Website
sourceforge.net/projects/cramfs/
The compressed ROM/RAM file system (or cramfs) is a free (GPL'ed) read-only Linux file system designed for simplicity and space-efficiency. It is mainly used in embedded and small-footprint systems.
Unlike a compressed image of a conventional file system, a cramfs image can be used as it is, i.e. without first decompressing it. For this reason, some Linux distributions use cramfs for initrd images (Debian 3.1 in particular) and installation images (SUSE Linux in particular), where there are constraints on memory and image size.
In 2013, Linux maintainers indicated that cramfs was made obsolete by squashfs,[1] but the file system got rehabilitated in 2017 for use in low-memory devices where using squashfs may not be viable.[2]
file system, a cramfs image can be used as it is, i.e. without first decompressing it. For this reason, some Linux distributions use cramfs for initrd images...
can be used for a Balanced XIP implementation: Linear XIP CRAMFS and AXFS. The Linear XIP CRAMFS decompresses files on a file-by-file basis, whereas AXFS...
while the others (including Debian 3.1) used cramfs in order to boot on memory-limited systems, since the cramfs image can be mounted in-place without requiring...
are the final results, may be built using various file systems, including cramfs, JFFS2, romfs, SquashFS and UBIFS.: 6–7, 18 Buildroot is free and open-source...
open-source software portal AppImage Btrfs Cloop Comparison of file systems Cramfs e2compr EROFS Initramfs List of file systems "The OpenWrt Flash Layout –...
Use fsck No BeOS Yes No No BSD disklabel (FreeBSD/OpenBSD/NetBSD) Yes No Cramfs Yes No IBM JFS2 Yes No Linux RAID (mdadm) Yes No Linux Swap 1 and 2 Yes...
Extracts? Input format Output format OS License 7-Zip Yes No No No Yes CramFS, DMG, FAT, HFS, MBR, NTFS, ISO, SquashFS, UDF, VHD, WIM WIM Windows, Linux...
Rolling-hash deduplicated data compression and fragment support since Linux 6.1. cramfs ext4 - previously Huawei used this file system for its system partitions...
short power outage. Some RAM drives use a compressed file system such as cramfs to allow compressed data to be accessed on the fly, without decompressing...
Some performance tests related to cloop have been conducted. Loop device Cramfs SquashFS e2compr License stated in Readme in the tarball Archived 2012-03-07...
8 MB of NOR flash memory, of which 5 MB are used for read-only firmware (cramfs and squashfs filesystems), 256 kB by the boot loader and the rest by a writable...
drawn from mainstream open source projects, including BlueZ, matchbox, cramfs, and others. These components were licensed under the GNU General Public...
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