operating system Tymshare's operating system which ran

for many years on Tymshare's PDP-10s. It was a descendent

of TOPS-10 but had many of the important features of

TOPS-20 such as real paging and controllable/spawnable

processes. TYMCOM-X, one of the best kept secrets in the

PDP-10 folklore, was written by Bill Weiher, Vance Socci

[email protected], Allen Ginzburg, Karen Kolling, Art

Atkinson, Gary Morgenthaler (founder of the company that

produced IDRIS), Todd Corenson and Murray Bowles. Some

copies still run today. Most TYMNET development was done

under TYMCOM-X and Tymshare sold a TYMCOM-X system to TRW to

use in their credit reporting network, which was based on a

purchased copy of TYMNET circa 1979.