The 1964 Operating System by IBM

In OS / 360 MFT (multiprogramming with a fixed number of tasks), multiple programs can be executed, but only after the partition memory. OS / 360 MVT (Multiple Programming with Variable Number of Tasks). You can recreate the memory partition if necessary. This allows customers to choose the one suitable for their environment. (Hosch, 2014) IBM's 360 machine brings unprecedented solid state technology, memory functions, application versatility, and communication capabilities.

In 1964, productivity was improved by introducing the OS / 360 operating system in the IBM System / 360 computer series. Computers in this family are the first computers that provide interoperability among all computers in the family through a common operating system. In other words, programs written in the computer model can be executed on other computers in the series without having to rewrite or recompile. In addition to significantly improving productivity itself, programmers can also test the code on relatively cheap machines (which is time-consuming before running or generating on more expensive and large capacity computers) .

Major computer manufacturers such as Rand / Sperry, IBM, Burroughs and Honeywell will create an operating system (OS) for each new computer model to be introduced to the market. The operating system is a special program that controls the hardware and provides hardware access to all other programs that are running on the computer. The most unprecedented thing so far is that before 1964, you can run something other than your own operating system with a single type of computer hardware. In 1964, productivity was improved by introducing OS / on IBM System / 360 computer series. 360 operating system. Computers in this family are the first computers that provide interoperability among all computers in the family through a common operating system. In other words, programs written in the computer model can be executed on other computers in the series without having to rewrite or recompile.

In 1964, IBM System / 360 consisted of six computers, each adopting the same instruction set architecture. Type 30 is the cheapest with a minimum. Customers can upgrade and maintain the same application software. Each System / 360 model has multiple programming functions. With the support of the operating system, you can store multiple programs at the same time in memory. When waiting for input / output, another person can calculate. Each model can also simulate other computers. You may upgrade to System / 360 and retain IBM 7094 or IBM 1401 application software.