This is simply a fun, spare time project to share some of my attempts to program on a IBM 370 Mainframe without the help of any Operating System.

All material on this website is presented “As Is” with no implied warranty or any guarantee of any kind.

Furthermore I acknowledge that I am not an expert in operating system design.  I have looked at a couple of books but never taken the time to read them.

My main goal is to have fun and share my experiences with anyone who is interested.

Finally, any code I write and publish on this site is available for use by anyone without any restrictions.  If you like what you see I would appreciate hearing from you.

Thanks – Tommy



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