IBM Systems are supported by a multitude of operating systems, such as z/OS, z/VSE, z/TPF, Linux on System z and the z/VM hypervisor.
Chat with our AI personalities
DOS, which stands for Disk Operating System.
window operating system
NOS (Network Operating System)
You can use any operation system in fourth generation computers.
The MVS operating system was the most commonly used operating system used on mainframe computers. The MVS operating system was developed by IBM and was first released in 1974.