1. The DOE ran the Cray Time Sharing System OS instead. 2. As time sharing systems developed, interactive job control emerged. 3. The first commercially successful time-sharing system was the Dartmouth Time Sharing System . 4. IBM itself had committed to a time sharing system known as CP-40 Project. 5. The company also planned to market its time sharing systems in addition to providing services. 6. An end-user in a time sharing system could submit a job interactively from his remote shell. 7. LTSS resulted in the Cray Time Sharing System and then the Network Livermore Timesharing System ( NLTSS ). 8. The " New Livermore Time Sharing System " name was initially considered a temporary name to use during development. 9. WYLBUR is not a full standalone operating system in the mold of Dartmouth Time Sharing System ( DTSS ) or Unix. 10. NLTSS development started about the same time LTSS was ported to the Cray-1 to become the Cray Time Sharing System .