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References
- ↑ Poulsen, Lars (2001), IBM 360/370/3090/390
- ↑ The Roots of UNIX for the IBM Mainframe, Tom Lyon's Personal Blog.
- ↑ Fiedler, Ryan (October 1983). "The Unix Tutorial / Part 3: Unix in the Microcomputer Marketplace". BYTE. p. 132. Retrieved 30 January 2015.
- ↑ Gallant, John (18 February 1985). "Users: new life for VM". Computerworld. p. 11.
- ↑ Beeler, Jeffry (27 January 1986). "Amdahl broadens Unix-based UTS line". Computerworld.
