cpio

What is a .cpio file?

application/x-cpio

cpio (.cpio) is a classic Unix archive format that concatenates files with per-file headers, used by initramfs images and RPM payloads. The 'newc' (SVR4) variant is the modern portable form.

How to use a .cpio file

Use an example .cpio archive to test cpio extractors, initramfs tooling, and newc-format parsers.

Download example .cpio file

CPIO Archive (newc/SVR4)A cpio archive in the newc (SVR4) format with four members — the Unix archive format used by initramfs and RPM. Hand-written to spec and documented down to its member list; for testing cpio extractors and converters.

Convert a .cpio file to another format

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