This post is a collection of quotes about operating systems. There are 4 quotes listed below. License: CC BY-SA 3.0
1. "An operating system is a system software that manages computer hardware, software resources, and provides common services for computer programs." (Wikipedia: Operating system, 1.11.23 UTC 06:17)
2. "A single-tasking system can only run one program at a time, while a multi-tasking operating system allows more than one program to be running concurrently. This is achieved by time-sharing, where the available processor time is divided between multiple processes." (Wikipedia: Operating system, 1.11.23 UTC 06:17)
3. "...the kernel provides the most basic level of control over all of the computer's hardware devices. It manages memory access for programs in the RAM, it determines which programs get access to which hardware resources, it sets up or resets the CPU's operating states for optimal operation at all times, and it organizes the data for long-term non-volatile storage with file systems on such media as disks, tapes, flash memory, etc." (Wikipedia: Operating system, 1.11.23 UTC 06:17)
4. "The user interface is usually referred to as a shell and is essential if human interaction is t be supported." (Wikipedia: Operating system, 1.11.23 UTC 06:17)
