OS/2 is a proprietary computer operating system for x86 and PowerPC based personal computers created and initially developed jointly by IBM and Microsoft, under the leadership of IBM software designer
Installation Disk A of Microsoft OS/2 1.3 (3½-inch floppy disk)
An ATM in Australia revealing during a reboot that it is based on OS/2 Warp
Document detailing OS/2's architecture
International Business Machines Corporation, doing business as IBM, is an American multinational technology company headquartered in Armonk, New York, and present in over 175 countries. It is a public
OS/2
…Operating System/2) is a proprietary computer operating system for x86 and PowerPC based personal computers created and initially developed jointly by IBM and Microsoft, under the leadership of IBM software designer Ed Iacobucci, intended as a replacement for DOS. The first version was released in 1987…
IBM CHQ in Armonk, New York, in 2014
NACA researchers using an IBM type 704 electronic data processing machine in 1957
An IBM System/360 in use at the University of Michigan c. 1969
IBM guidance computer hardware for the Saturn V Instrument Unit