| | [No title] |
 | | The programmers working on the IBM 360 or 370 had to contend with batch processing and IBM's Job Control Language (JCL) problems. |
 | | Other programmers were working with the UNIVAC and another group with xerox computers. |
 | | For that to happen, we needed to develop a programming environment that was consistent with what they already were using." They developed a software subsystem which included five components that all of the programmers working on the different computers could use. |
| www.columbia.edu /~rh120/ch001j.c11 (8764 words) |