COS (operating system) the smart phone market when COS was introduced and Apple most of the remaining market share. COS looks very similar to Android and has its own Application Portal much like Android Market and iOS App Store. The Linux kernel is GPLv2 and the COS framework is closed source and licensed by the originators. The COS Core operating system is based on the Linux kernel and can be seen as a Linux distribution, in the same way as the Android operating system. According to the official statements, COS supports HTML5 based applications and Java based applications. COS (operating system) COS is
SHARE Operating System the Association for Computing Machinery. In 1962, IBM discontinued support for SOS and announced an entirely new (and incompatible) operating system IBM 7090/94 IBSYS. SHARE Operating System The SHARE Operating System (SOS) was created in 1959 as an improvement on the General Motors GM-NAA I/O operating system, the first operating system, by the SHARE user group. The main target was to improve the sharing of programs over GM-NAA I/O. SHARE Operating System provided new methods to manage buffers and input/output devices, and, like GM-NAA I/O, allowed execution of programs written in assembly language. Initially, it worked on IBM 709 computer