V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OCS
       Object Compatibility Standard (Motorola)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OCS
       Open Cabling System


The Free On-line Dictionary of Computing (30 December 2018):

Object Compatibility Standard
OCS

   (OCS) An 88open standard for compilers and linkers.