<operating system> (ISPF) Something to do with IBM's OS/390.
http://s390.ibm.com/bookmgr-cgi/bookmgr.cmd/BOOKS/ISPDGD02/COVER?SHELF=ISP5BK01.
[Summary?]
(1999-07-14)
Try this search on Wikipedia, OneLook, Google
Nearby terms: interactive development environment « Interactive Development Environments « Interactive Software Engineering « Interactive System Productivity Facility » Interactive Voice Response » Interagency Interim National Research and Education Network » InterBase
