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Brian A. Lantz,


TNOS is a NOS derivative that is being actively supported and which is available for both DOS and Linux. It features enhancements not found in other NOS versions.


The current version is 2.0 and is stable.

System Requirements

Kernel networking slip support if you want to link the normal Linux network facilities with TNOS. A KISS TNC.


Brian maintains a World Wide Web server which contains up to date information on TNOS, you can find it at

Where and how to obtain it

The current version of TNOS is always available from:,, or

Licensing/Copyright etc.

Free for use by amateur radio operators and educational oraganisations