> Do I have to pay any license ??
No, GPL explicitly demands the software must be freely redistributable, so no license fee applies.
Bzzzzztt. Thank you for playing. Just to clarify: you are confusing "free" as in "no cost" (also known as "free as in beer" or "holy crap, I don't have to pay for this!") with the "free" as in "freedom" or "liberty (again also known as "free as in speech" or "holy crap, they give you the code to look at!").
"Freely distributable" means "with full liberty or freedom to distribute". The GPL does not, in any way whatsoever, suggest, demand, or require that the software have a cost of $0.00. Software licensed under the GPL definitely CAN have license fees, so the OP's question is valid.
In this case, the answer is correct in that Red Hat Linux (1.0-9) and Fedora are free both ways: all are licensed under the GPL and, if made available for download from Red Hat's FTP site or its mirrors, also have a cost of $0.00. However, for comparison's sake, Red Hat distributes Red Hat Enterprise Linux (AS, ES, WS) under the GPL but does charge money for distributing the binary packages and binary updates. (To comply with the GPL, Red Hat makes the source code for all of RHEL available.)
-- Rodolfo J. Paiz rpaiz@xxxxxxxxxxxxxx
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