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...

programs included in or available for OS/360 and successors. IBM categorizes some of these programs as utilities and others as service aids; the boundaries...

throughput. FBA is supported by VM/370 and DOS/VSE, but not MVS or successor operating systems in the OS/360 line. Processors with FICON channels can...

Solaris, and BSD systems, Mach-O in macOS, etc. In OS/360 and successors, a job may assign arbitrary data set names (dsnames) to the ddnames SYSABEND and SYSUDUMP...

share it. In some operating systems, e.g. Burroughs/Unisys MCP, and OS/360 and successors, memory is managed by the operating system. In other operating...

respectively. Dynamic linking from Assembler language programs in IBM OS/360 and its successors is done typically using a LINK macro instruction containing a Supervisor...

e.g., OS/360 and successors on IBM System/360 architecture and successors. In OS/360, OS/VS1, SVS, MVS/370, MVS/XA, MVS/ESA, OS/390 and z/OS, the TCB: 311–321 ...

assembly language and successors is a series of assembly languages and assemblers made for the IBM System/360 mainframe system and its successors through the...

Operating System/Virtual Storage 2 (OS/VS2); it is the successor system to the MVT option of Operating System/360. OS/VS2 (SVS) was a stopgap measure pending...

collected: System Management Facilities (SMF) data z/OS system log (SYSLOG) OS/360 and successors#Timeline Fujitsu MSP HiperDispatch Hitachi VOS3 Intelligent...

Information passed to and from the SVC routines is passed in general purpose registers or in memory. Under OS/360 and successors, return from an SVC routine...

and added various other improvements, and the result is now named z/OS. IBM ended support for the older OS/390-branded versions in late 2004. OS/360 MVS...

with low-end machines; but hardware was already available and the OS/360 project fell further and further behind schedule, as described at length by Fred...

In the storage architecture of OS/360 and successors, CMS, and DOS/360 and successors, the Volume Table of Contents (VTOC) is a data structure that provides...

IBM's OS/360 and successors computer operating systems on System/360 and later mainframes. BDAM "consists of routines used in retrieving data from, and storing...

of System/360's operating system OS/360. OS/VS1, in comparison to its predecessor, supported virtual memory (then called virtual storage). OS/VS1 was generally...

units and devices. EXCP for OS/360 and successors is more specifically described in the OS System Programmer's Guide.; EXCP for DOS/360 and successors is...

control program in the IBM mainframe OS/360 operating system and successors which issues the privileged I/O instructions and supervises the resulting I/O interruptions...

slowly. This generally improves performance by reducing cache thrashing. IBM OS/360 was available with three different schedulers. The differences were such...

System/370, System/390 and IBM Z IBM mainframe computers. IBM developed MVS, along with OS/VS1 and SVS, as a successor to OS/360. It is unrelated to IBM's...

with at least 16 KB and either disks (DOS) or tape drives only (TOS). BOS was released in October 1965, nearly two years before OS/360, thus BOS was the...

709, and 7090) OS/360 and successors on IBM S/360, S/370, and successor mainframes OS/360 (first official OS targeted for the System/360 architecture) PCP...

process and the operating system. In most systems, system calls can only be made from userspace processes, while in some systems, OS/360 and successors for...

the file and maintained by the system. IBM supports indexed files with the Indexed Sequential Access Method (ISAM) on OS/360 and successors. IBM virtual...

environment for IBM mainframe operating systems, including OS/360 MVT, OS/VS2 (SVS), MVS, OS/390, and z/OS. In computing, time-sharing is a design technique that...

is not the same as the unrelated LINK subroutine in GNU Fortran. OS/360 and successors use the XCTL (for "transfer control") macro for chain loading. Because...

yielding EOF immediately. In IBM operating systems DOS/360 and successors and also in OS/360 and successors such files would be assigned in JCL to DD DUMMY....

(QSAM) is an access method to read and write datasets sequentially. QSAM is available on OS/360, OS/VS2, MVS, z/OS, and related operating systems. QSAM is...

addresses, similarly to how stack frames are typically allocated. In OS/360 and successors, the concept applies at two levels; each job runs within a contiguous...

subroutine or in a separate thread, e.g., the LINK and ATTACH facilities of OS/360 and successors. An interrupt (also known as an abort, exception, fault...