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2 votes
2 answers
222 views

What is the full name of IBM CP-67/CMS' DUMPD command?

I am reading the User Guide of CP-67. Under the command DUMPD (page 373), it describes its Purpose as: The DUMPD command prints the contents of one direct-access record, specified by a CCHHRR address,...
Yilin Huo's user avatar
7 votes
0 answers
205 views

What did CPU time and disk space cost at a CDC 6600 Data Center?

In the mid-1970s,there was a big time sharing CDC service center in Waltham, MA. I'm curious what it cost to run computer jobs there. (My long winded story follows) In 1976, I had a summer job of &...
user1683793's user avatar
13 votes
1 answer
746 views

What happened to Doug Engelbart's NLS?

Apparently, it was sold to "Tymshare" in 1977, but what happened to it after that? Who has the software now? Could it ever be emulated?
les-citrons's user avatar