COS-310
COS-310, DEC’s commercial operating system for the PDP-8, supported the DIBOL language. COS-310 was a derivative of MS/8 and OS/8, but with a new text file format. The file system is almost the same as OS/8, but dates are recorded differently, and a few applications can even run under both COS and OS/8. COS was the last operating system other than WPS promoted by DEC for the DECmates.












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