IOS

Ios or IOS may refer to:

*Ios Island, an island in the Cyclades group in the Aegean Sea
*IOS Press, a Dutch publisher of scientific and medical research titles
*Internet operating system, software containing sets of procedures and functions providing the framework for the high-level implementation and operation of Internet based applications in a uniform manner
*Cisco IOS (originally Internetwork Operating System), the operating system used on Cisco Systems routers and some network switches
*The Investors Overseas Service, an investment company
*The "Independent on Sunday", a UK newspaper
*ios (C++), a C++ header file
*Integrated Operating Solutions, a Miami based document management and EMR company
*Interorbital Systems, a private aerospace design firm located in Mojave, California
*International Online Soccer, a sports mod for Half-Life.
*Input/Output Subsystem, a component of the MVS element of z/OS (f/k/a OS/390) that provides the low level input and output interfaces for the operating system.
*Isles of Scilly, the group of islands off of Cornwall, UK
*Impulse oscillometry - technique to assess airflow obstruction in patients who are not able to perform forced breathing maneuvers, e.g., subjects with diaphramatic rupture, cerebral palsy or severe mental retardation, and young children.
*International Operator Services - Operator-Services Collect or credit card calling using a live operator to connect calls from anywhere to anywhere using a credit card or reverse charges to pay for it.{QUPA '09}