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4MLinux vs Q4OS: catalog facts
4MLinux	Q4OS
Free Free to download.	Free Free to download and use, supported by donations.
Linux	Linux
Small footprint Combines rescue, multimedia and server roles	Runs on older or low-powered hardware Built on stable Debian
Minimal website and documentation Small community compared with mainstream distributions	Stable Debian base means older application versions Smaller project with a small development team
Operating system	Operating system
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.