What does TSO/ISPF stand for?

Time Sharing Option/Interactive System Productivity Facility

This definition appears very rarely

Other Resources:

<< Previous	Abbreviation Database Surfer		Next >>
Transmission Systems Operations/Operator (telecommunications) Transportation Security Officer Transportation Supply Officer Trattamento Sanitario Obbligatorio (Italian: Compulsory Health Treatment) Trial Services Office (US military) Trichuris Suis Ova (pig whipworm eggs) Trondheim Symphony Orchestra (Norway) Turn Stuff Off (energy conservation campaign; US DoD) Time Sharing Option/Conversational Monitor System Time Sharing Option/Extensions		Technical Standard Order Authorization (Federal Aviation Administration) Technical Support & Operational Analysis (US Navy) Tisch School of the Arts (New York) Triumph Sports Owners Association (Australia) Truthseekers of America Corporation Two Sides of a Coin (production company; New York, NY) The Source of All Evil The Sound Of Animals Fighting (band) Triumph Sports Owners Association of New South Wales Tajik Sodirot Bank