Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym OSI is...

OSI is

Only Suckers Initialize

More Meanings For OSI:

Open Systems Interconnection
Open Systems Interconnection
Open Source Initiative
Open System Interface
Optimal System Integration
Open Systems Interconnection
Open system interconnection
Orchestra Of Strategic Influence
Open Systems Interconnection
Office Of Special Investigation
Only Suckers Initialize
Oil Stability Index
Office Of Scientific Information
Open System Inter
Office Of Supernatural Investigation

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