ISPF
ISPF (Interactive System Productivity Facility) is a tool set for the
IBM z/OS (
MVS,
OS/390)
operating system for mainframe computers. It includes a
screen editor, the user interface of which was emulated by some microcomputer editors sold commercially in the late
1980s.
It primarily provides a IBM 3270 terminal interface with dialogs to run tools on the system under TSO. ISPF is frequently used to manipulate z/OS data sets via its PDF (Product Development Facility).
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