http://www.copyright.gov/circs/circ1a.html http://www.copyright.gov/title17/92preface.html This link identifies that copyright protections were extended to
Thanks, Jay! It is an honor to address you, sir! :) I did not know this! I always thought IBM owned the rights to these OSes and for whatever reason decided to
(Please trim your quotes. Thanks.) ... They wren't released to the public domain. They were never copyrighted to begin with. Before 1978 in the US, anything
Just one question: How then did we end up seeing DOS/360, DOS/VS, OS/MFT, OS/MVT, MVS 3.8j, et al. released to the public domain (Thank G-d and IBM for