Encyclopedia: OS3...

Encyclopedia : O : OS : OS3 (3 articles)

OS/360
OS/360 was a batch processing operating system developed by IBM for their then-new System/360 mainframe computer, announced in 1964. OS/360 was amongst the earliest operating systems to make direct access storage devices a prerequisite for its operation. Contents 1 Origins2 Later deve..

OS/390
OS/390 is an IBM operating system for the System/370 and System/390 IBM mainframe computers. It is basically a rebranded version of MVS with added UNIX System Services. The OS/390 base includes a Communication Server that includes VTAM, the VTAM AnyNet feature, TCP/IP, and TIOC. It provides SNA (3..

From Wikipedia, the Free Encyclopedia. Article contents subject to the GNU Free Documentation License.