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FSCK.CRAMFS(8) System Administration FSCK.CRAMFS(8)

📛 NAME

fsck.cramfs - fsck compressed ROM file system

🚀 Quick Reference

Use Case	Command	Description
Check a cramfs filesystem	fsck.cramfs file	✅ Basic integrity check of the compressed ROM file system
Verbose check	fsck.cramfs -v file	🔊 Enable verbose messaging during check
Extract and test filesystem	fsck.cramfs --extract[=dir] file	📦 Test by uncompressing the whole filesystem; optionally extract to a directory
Check with custom blocksize	fsck.cramfs -b blocksize file	📏 Use specified blocksize (must match creation time blocksize)
Display version	fsck.cramfs -V	ℹ️ Show version information and exit
Display help	fsck.cramfs -h	❓ Show help text and exit

📋 SYNOPSIS

fsck.cramfs [options] file

📝 DESCRIPTION

fsck.cramfs is used to check the cramfs file system.

⚙️ OPTIONS

🔊 -v, --verbose

Enable verbose messaging.

📏 -b, --blocksize blocksize

Use this blocksize, defaults to page size. Must be equal to what was set at creation time. Only used for --extract.

📦 --extract[=directory]

Test to uncompress the whole file system. Optionally extract contents of the file to directory.

🔄 -a

This option is silently ignored.

🔄 -y

This option is silently ignored.

ℹ️ -V, --version

Display version information and exit.

❓ -h, --help

Display help text and exit.

🚪 Exit Status

• 0 — ✅ success
• 4 — ⚠️ file system was left uncorrected
• 8 — ❌ operation error, such as unable to allocate memory
• 16 — ℹ️ usage information was printed

📚 SEE ALSO

mount(8), mkfs.cramfs(8)

🐛 REPORTING BUGS

For bug reports, use the issue tracker at https://github.com/karelzak/util-linux/issues.

📦 AVAILABILITY

The fsck.cramfs command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.

util-linux 2.37.2 2021-06-02 FSCK.CRAMFS(8)

📛 NAME 🚀 Quick Reference 📋 SYNOPSIS 📝 DESCRIPTION ⚙️ OPTIONS 🚪 Exit Status 📚 SEE ALSO 🐛 REPORTING BUGS 📦 AVAILABILITY