en.wikipedia.org/wiki/Operating_system

An operating system (OS) is system software that manages computer hardware and software ..... Apple II series of microcomputers to introduce the Apple Macintosh computer with an innovative graphical user interface (GUI) to the Mac OS.

en.wikipedia.org/wiki/OS/2

OS/2 is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM software designer Ed Iacobucci. As a result of ...

en.wikipedia.org/wiki/List_of_operating_systems

This is a list of operating systems. Computer operating systems can be categorized by .... by DEC and HP now by VMS Software Inc.) for the VAX mini- computer range, .... Workplace OS (a Microkernel based operating system including OS/2, ...

www.britannica.com/technology/IBM-OS-2

IBM OS/2 was intended to replace the older disk operating system (DOS), which, ... leading developer of personal-computer software systems and applications.

whatis.techtarget.com/definition/OS-2

OS/2 is an IBM operating system for the personal computer that, when introduced , ... that is designed to run a computer's hardware and application programs.

www.computerhope.com/os.htm

Jan 24, 2018 ... Computer operating system help and information with links to all the major computer operating ... An operating system or OS is software installed on a computer's the hard drive that enables computer ... IBM OS/2 Warp

smallbusiness.chron.com/five-common-operating-systems-28217.html

Aug 3, 2018 ... Most computers and smartphones come with an operating system installed ... 1 Different Types of Windows Operating Systems; 2 List of Commonly Used Business Software ... software and the hardware, distributing memory and computing ... Efforts to use versions of the Windows OS for smartphones have ...

www.amazon.com/OS2-Operating-Systems-Software/b?ie=UTF8&node=229662

1-12 of 195 results for Software : Operating Systems : OS2 ... IBM OS/2 for Windows 3.5" Disks, Edition for Windows Ver. 2.1. PC. by IBM ...

arstechnica.com/information-technology/2013/11/half-an-operating-system-the-triumph-and-tragedy-of-os2/5

Nov 24, 2013 ... IBM doesn't make consumer, desktop operating systems anymore for a reason. ... If any OS/2 native GUI app ever stopped servicing its window messages, ... IBM's PC division also needed licenses from Microsoft to bundle Windows .... this story that might apply to hardware and software companies today?