Internetwork Operating System Instructor Operator Station Input/Output Supervisor Indian Ocean Ship Indian Ocean Station Input/Output Selector Input/Output Supervision Institute of Ocean Sciences Institute of Oceanographic Sciences INTEGRATED OFFICE SYSTEM International Organization for Standar… ISDN Operational Software Indian Ocean Satellite input/output subsystem Input/Output System Integrated Operational Services Integrated Operations Scenario International Organizations Internet Operating System Internetworking Operating System Inter-Office Section Inter-Operability Specifications Idle Ordered Sets Illinois Orthopaedic Society Immediate Office of the Secretary impulse oscillation system impulse oscillometry impulse oscillometry system Indian Ocean Survey Indian Ocean Tracking Station
Internetwork Operating System
Instructor Operator Station