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

OpSys is

  • Operating System

OpSys is also in:

Acronym Definition Searched: RMC WEOF SLT VAR 62668 USTA 43410 ASIT LVDT OWS COD WCOF APWSF FES/VCGS KTAQ