ArcaOS is a 2017 operating system that was developed by Arca Noae, under license from multinational technology and consulting company, IBM.
May 15, 2017; 3 years ago (2017-05-15) ArcaOS is an operating system based on OS/2, developed and marketed by Arca Noae, LLC under license from IBM. International Business Machines Corporation (IBM) is an American multinational technology and consulting company headquartered in Armonk, New York, with more than 350,000 employees serving clients in 170 countries. 
International Business Machines Corporation (IBM) is an American multinational technology and consulting company headquartered in Armonk, New York, with more than 350,000 employees serving clients in 170 countries. 2017-05-15 First public release of ArcaOS While ArcaOS is a 32-bit operating system, it has limited PAE support which allows it to use RAM in excess of 4GB as a RAM disk. Arca Noae, LLC (based on code from IBM, Microsoft, and other developers) ArcaOS is an operating system based on OS/2, developed and marketed by Arca Noae, LLC under license from IBM. 
