OCS

OCS stands for:

Original Chip Set (Original chipset ), a component of the Home Amiga computer
Office Communications Server, a server product from Microsoft for VoIP, instant messaging, etc.
Open Collaboration Services, a non-proprietary REST-based API for the realization of the Social Desktop
Officer Candidate School or Officer Cadet School, the English name for officer school
Oracle Collaboration Suite, a product of Oracle
On the Course Side. Boat was early starters at P or Z - start or has violated the " I- flag rule" (Sailing Regatta Rules)