OS/360, officially known as IBM System/360 Operating System, is a discontinued batch processing operating system developed by IBM for their then-new System/360 mainframe computer, announced in 1964; it was influenced by the earlier IBSYS/IBJOB and Input/Output Control System (IOCS) packages for the IBM 7090/7094 [citation needed] and even more so …

In computing, spooling is a specialized form of multi-programming for the purpose of copying data between different devices. In contemporary systems, it is usually used for mediating between a computer application and a slow peripheral, such as a printer.Spooling allows programs to "hand off" work to be done by the peripheral and then proceed to other tasks, or to not begin …

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The IBM System/360 (S/360) is a family of mainframe computer systems that was announced by IBM on April 7, 1964, and delivered between 1965 and 1978. It was the first family of computers designed to cover both commercial and scientific applications and to cover a complete range of applications from small to large.

In computing, preemption is the act of temporarily interrupting an executing task, with the intention of resuming it at a later time.This interrupt is done by an external scheduler with no assistance or cooperation from the task.: 153 This preemptive scheduler usually runs in the most privileged protection ring, meaning that interruption and resuming are considered highly secure actions.

Comma-separated values is a data format that predates personal computers by more than a decade: the IBM Fortran (level H extended) compiler under OS/360 supported CSV in 1972. List-directed ("free form") input/output was defined in FORTRAN 77, approved in 1978. List-directed input used commas or spaces for delimiters, so unquoted character ...

Memory management in OS/360 is a supervisor function. Storage is requested using the GETMAIN macro and freed using the FREEMAIN macro, which result in a call to the supervisor to perform the operation. In OS/360 the details vary depending on how the system is generated, e.g., for PCP, MFT, MVT.

Multiple Virtual Storage, more commonly called MVS, was the most commonly used operating system on the System/370 and System/390 IBM mainframe computers.IBM developed MVS, along with OS/VS1 and SVS, as a successor to OS/360.It is unrelated to IBM's other mainframe operating system lines, e.g., VSE, VM, TPF

Una macchina virtuale creata con VirtualBox. In informatica il termine macchina virtuale (VM) indica un software che, attraverso un processo di virtualizzazione, crea un ambiente virtuale che emula tipicamente il comportamento di una macchina fisica (PC, client o server) grazie all'assegnazione di risorse hardware (porzioni di disco rigido, RAM e risorse di processamento) …

In OS/360 line it is human-configurable, has a maximum length of six characters, is in uppercase, must start with a letter, and identifies a volume to the system in unique manner. For example, "SYSRES" is often used for a system residence volume. Operating systems may use the volume serial number as mountpoint name.