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Porteus vs 4MLinux: catalog facts
Porteus	4MLinux
Free Free to download, with optional donations.	Free Free to download.
Linux	Linux
Image under 300 MB Runs portably from USB, CD or hard drive	Small footprint Combines rescue, multimedia and server roles
Module system differs from mainstream package management Parts of the website describe older desktop versions	Minimal website and documentation Small community compared with mainstream distributions
Operating system	Operating system
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	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.