Lars Brinkhoff wrote:
I wonder where the inspiration for the Unix job
control came from? In
particular, I can't help but notice that Control-Z does something very
similar in the PDP-10 Incompatible Timesharing System.
The ITS capabilities were certainly part of the inspiration. It was a
combination of frustrations and gaps in UNIX with some of those
features found in ITS that resulted in the final package of features.
Yes, ITS and Tenex/TOPS were the inspiration for UNIX ^Z.