The Convergent Technologies Operating System, also known variously as CTOS, BTOS and STARSYS, was a modular, message-passing, multi-process based operating system.
Convergent Technologies' first product was the IWS (Integrated Workstation) based on the Intel 8086 processor, which had CTOS as its operating system. This was a modular operating system with built in local area networking. CTOS supports multiple processes or threads, and message-based inter-process communication.
Companies which licensed CTOS included Burroughs (BTOS) and Bull (STARSYS). The single largest customer was Unisys, with whom Convergent Technologies merged to become one company in 1988. At its peak, CTOS had over 800,000 users worldwide.
CTO, the premier regional tourism association, is comprised of government and private sector operatives in the tourism industry across the Caribbean.
CTO collects and disseminates research and data on the development of the regional industry and the distribution of this data is one of the main objectives of this site.
During the dot-com and computer boom of the 1990s, many companies used the CTO title for their senior technical person.
The MIS and IT community often use the title CTO as either synonymous with Chief Information Officer, or as a subordinate to the CIO who is more versed in the technical intricacies of the systems being deployed.