MOS (operating system)
| OS family | Unix-like | 
|---|---|
| Working state | Current | 
| Source model | Closed source | 
| Final release | M OS-12 | 
| Available in | Russian | 
| Platforms | SM EVM, ES EVM, Elbrus, PDP-11 clones | 
| Kernel type | Monolithic | 
| License | Proprietary | 
Mobile Operating System (MOS; Russian: Моби́льная Операцио́нная Систе́ма (МОС)) is an operating system, a Soviet clone of Unix from the 1980s.