Operating System

Cosma / Communication / Media / Computation / Software / Operating System (OS)


GCFLearnFree.org (YouTube Channel)
GCFLearnFree.org (Official Website)


operating system (os) : software that controls the operation of a computer and directs the processing of programs (as by assigning storage space in memory and controlling input and output functions) — Merriam-Webster   See also OneLook

Operating System (FOLDOC: Free Online Dictionary of Computing)


Operating system (OS) is a set of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. Application programs require an operating system to function. — Wikipedia

File system is a method and data structure that the operating system uses to control how data is stored and retrieved. Without a file system, data placed in a storage medium would be one large body of data with no way to tell where one piece of data stopped and the next began, or where any piece of data was located when it was time to retrieve it. By separating the data into pieces and giving each piece a name, the data is easily isolated and identified. Taking its name from the way a paper-based data management system is named, each group of data is called a “file.” The structure and logic rules used to manage the groups of data and their names is called a “file system.” — Wikipedia




ClickView (YouTube Channel)
ClickView (Official Website)

Old School: I Work in DOS for an Entire Day (Sean Gallagher, Ars Technica)

Running Windows 95 in an “App” is a Dumb Stunt that Makes a Good Point (Ars Staff, Ars Technica)
You Know You Love Windows 95, and Now It’s an App (Johnny Lieu, Mashable)

History of Operating Systems (OS Data)
A Brief History of Computer Operating Systems (Jonathan R. Senning, Gordon College)
History of Operating Systems (Wikipedia)


DDC: 005.4 Systems Programming and Programs (Library Thing)
Subject: Operating Systems (Library Thing)

Subject: Operating Systems (Open Library)

LCC: QA 76.76.O63 Operating Systems (UPenn Online Books)

LCC: QA 76.76.O63 Operating Systems (Library of Congress)
Subject: Operating Systems (Library of Congress)

Subject: Operating Systems (WorldCat)




MERLOT: Multimedia Educational Resource for Learning and Online Teaching
OER Commons: Open Educational Resources


Operating Systems and Computer Architecture (Jonathan R. Senning, Gordon College)

Computer System Engineering (Katrina LaCurts, MIT OpenCourseWare)
Operating System Engineering (Frans Kaashoek, MIT OpenCourseWare)

Operating Systems Courses (edX)



Computer Systems Engineers/Architects (CareerOneStop, U.S. Department of Labor, Employment and Training Administration)


SIGOPS – Special Interest Group on Operating Systems (ACM)


Operating Systems Review (ACM SIGOPS)
OS News

Operating Systems (JSTOR)
Operating Systems (NPR Archives)



Operating System (USA.gov)


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Here are links to pages about closely related subjects.


Function Communications Computation Storage Creation Simulation
Analog Mail Device Paper Type, Print Automaton
Electronic Network Calculator Tape Record Elektro
Digital Internet Computer
Hardware Modem Microprocessor Memory Peripheral Robot, XR
Software Service (Web) Program (OS, SS) Database Application AI, VW

Format Multimedia (Video, Animation) Image (Object) Scent, Flavor, Audio (Text) Haptic, “Other



1.   The resources on this page are are organized by a classification scheme developed exclusively for Cosma.