Distributions are available for most operating systems. Processes own resources allocated by the operating system. NVENC is available for Windows and Linux operating systems. Microsoft provides the client required for connecting to newer RDP versions for downlevel operating systems. This is a list of operating systems. Worms spread by exploiting vulnerabilities in operating systems. ReFS has some different versions, with various degrees of compatibility between operating system versions. DoH lacks native support in operating systems. The company has been operating at a profit since 2002. SOMS stipulates the expertise needed for people creating and working with operating models. The Yerevan trolleybus system has been operating since 1949. It is still operating in its ancient setting. Block I kit for the carbines used by units operating under its command. MUMPS invites comparison with the Pick operating system. The station is still operating today.