Multitasking, which is the ability to simultaneously execute multiple programs, is available in all operating systems today. Critical in the server and mainframe environment, applications can be ...

Windows, prior to Windows 95, and the Mac, prior to Mac OS X, were non-preemptive multitasking operating systems. Contrast with preemptive multitasking. See multitasking. THIS DEFINITION IS FOR ...

In the past, computers with CLIs were unable to multitask - the operating systems of the day only allowed one program to run at a time. Different operating systems allocate their own size to pages.

It’s a piece of common knowledge, that MS-DOS wasn’t capable of multitasking. For that, the Microsoft-based PC user would have to wait for the 80386, and usable versions of Windows.

Originally most interfaces were CLIs, and they still exist within modern operating systems, for example the command prompt app in Windows, and Terminal in OS X. Multitasking means to be able to ...