The term IBM platform could refer to any of the hardware and operating systems below.
Current
IBM Power Systems, a family name for the merged System p and System i PureSystems, an IBM product line of factory pre-configured components and servers also being referred to as an "Expert Integrated System" IBM Z, a family name used by IBM for all of its z/Architecture mainframe computers from the Z900 on; this is the most recent architecture descended from IBM System/360 IBM System z, an older name for IBM Z IBM z System, an older name for IBM Z IBM PC compatible, a machine compatible with the IBM PC and successors. IBM i, an operating system that runs on IBM Power Systems and IBM PureSystems, preceded by: CPF, the operating system for the S/38 OS/400, the operating system for the AS/400 i5/OS, the operating system for the eServer i5 z/OS, a 64-bit operating system for IBM mainframes; this is the most recent incarnation of OS/360 and successors
Discontinued
IBM System i, preceded by S/38, AS/400 and eServer i5, is a line of midrange computer systems from IBM that uses the IBM i operating system IBM System p, formerly known as RS/6000, was IBM's RISC/UNIX-based server product line. IBM System/360, the predecessor to S/370 IBM System/370, the predecessor to XA/370 IBM Extended Architecture/370 (XA/370), the predecessor to ESA/370 IBM Enterprise Systems Architecture/370 (ESA/370), the predecessor to IBM System/390 IBM System/390, the predecessor to IBM System z IBM Personal Computer, commonly known as the IBM PC, is the original version of the IBM PC compatible hardware platform Operating System/360 (OS/360), IBM's flagship operating system for S/360 and early S/370 OS/VS1, successor to OS/360 MFT SVS, OS/VS2 Release 1, successor to OS/360 MVT and predecessor to MVS MVS/370 is a generic term for all versions of the MVS operating system prior to MVS/XA OS/VS2 Release 2 through 3.8 MVS/System Extension (MVS/SE) MVS/System Product (MVS/SP) Version 1 MVS/XA, predecessor of MVS/ESA MVS/ESA, predecessor of OS/390 OS/390, predecessor of z/OS
Suprercomputer platforms: IBM RS/6000 SP (1993-2000) QCDOC (1998-1999) IBM Blue Gene (1999-2015) IBM iDataPlex (2008-2014) IBM PERCS (2011) IBM Intelligent Cluster, (2001-2014, now Lenovo Intelligent Cluster)
See also IBM System (disambiguation)