the term "computer operating system" has been wrongfully defined by its industry, and this can be misleading.
lets break the term down into parts
a
Main Entry: com·put·er
Pronunciation: \kəm-ˈpyü-tər\
Function: noun
Usage: often attributive
Date: 1646
: one that computes; specifically : a programmable usually electronic device that can store, retrieve, and process data
Main Entry: sys·tem
Pronunciation: \ˈsis-təm\
Function: noun
Etymology: Late Latin systemat-, systema, from Greek systēmat-, systēma, from synistanai to combine, from syn- + histanai to cause to stand — more at stand
Date: 1603
1 : a regularly interacting or interdependent group of items forming a unified whole <a number system>: as a (1) : a group of interacting bodies under the influence of related forces <a gravitational system> (2) : an assemblage of substances that is in or tends to equilibrium <a thermodynamic system> b (1) : a group of body organs that together perform one or more vital functions <the digestive system> (2) : the body considered as a functional unit c : a group of related natural objects or forces <a river system> d : a group of devices or artificial objects or an organization forming a network especially for distributing something or serving a common purpose <a telephone system> <a heating system> <a highway system> <a computer system> e : a major division of rocks usually larger than a series and including all formed during a period or era f : a form of social, economic, or political organization or practice <the capitalist system>
2 : an organized set of doctrines, ideas, or principles usually intended to explain the arrangement or working of a systematic whole <the Newtonian system of mechanics>
3 a : an organized or established procedure <the touch system of typing> b : a manner of classifying, symbolizing, or schematizing <a taxonomic system> <the decimal system>
4 : harmonious arrangement or pattern : order <bring system out of confusion — Ellen Glasgow>
5 : an organized society or social situation regarded as stultifying or oppressive : establishment 2 —usually used with thez
Main Entry: op·er·ate
Pronunciation: \ˈä-pə-ˌrāt, ˈä-ˌprāt\
Function: verb
Inflected Form(s): op·er·at·ed; op·er·at·ing
Etymology: Latin operatus, past participle of operari to work, from oper-, opus work; akin to Old English efnan to perform, Sanskrit apas work
Date: 1588
intransitive verb 1 : to perform a function : exert power or influence <factors operating against our success>
2 : to produce an appropriate effect <the drug operated quickly>
3 a : to perform an operation or a series of operations b : to perform surgery c : to carry on a military or naval action or mission
4 : to follow a course of conduct that is often irregular <crooked gamblers operating in the club>transitive verb 1 : bring about, effect
2 a : to cause to function : work b : to put or keep in operation
3 : to perform an operation on; especially : to perform surgery on
Main Entry: sys·tem
Pronunciation: \ˈsis-təm\
Function: noun
Etymology: Late Latin systemat-, systema, from Greek systēmat-, systēma, from synistanai to combine, from syn- + histanai to cause to stand — more at stand
Date: 1603
1 : a regularly interacting or interdependent group of items forming a unified whole <a number system>: as a (1) : a group of interacting bodies under the influence of related forces <a gravitational system> (2) : an assemblage of substances that is in or tends to equilibrium <a thermodynamic system> b (1) : a group of body organs that together perform one or more vital functions <the digestive system> (2) : the body considered as a functional unit c : a group of related natural objects or forces <a river system> d : a group of devices or artificial objects or an organization forming a network especially for distributing something or serving a common purpose <a telephone system> <a heating system> <a highway system> <a computer system> e : a major division of rocks usually larger than a series and including all formed during a period or era f : a form of social, economic, or political organization or practice <the capitalist system>
2 : an organized set of doctrines, ideas, or principles usually intended to explain the arrangement or working of a systematic whole <the Newtonian system of mechanics>
3 a : an organized or established procedure <the touch system of typing> b : a manner of classifying, symbolizing, or schematizing <a taxonomic system> <the decimal system>
4 : harmonious arrangement or pattern : order <bring system out of confusion — Ellen Glasgow>
5 : an organized society or social situation regarded as stultifying or oppressive : establishment 2 —usually used with the
now
Main Entry: 1pro·gram
Pronunciation: \ˈprō-ˌgram, -grəm\
Function: noun
Etymology: French programme agenda, public notice, from Greek programma, from prographein to write before, from pro- before + graphein to write — more at carve
Date: 1633
1 [Late Latin programma, from Greek] : a public notice
2 a : a brief usually printed outline of the order to be followed, of the features to be presented, and the persons participating (as in a public performance) b : the performance of a program; especially : a performance broadcast on radio or television
3 : a plan or system under which action may be taken toward a goal
4 : curriculum
5 : prospectus, syllabus
6 a : a plan for the programming of a mechanism (as a computer) b : a sequence of coded instructions that can be inserted into a mechanism (as a computer) c : a sequence of coded instructions (as genes or behavioral responses) that is part of an organism
would indicate that a program tells a machines operating system how to reach an intended goal.
so a computer operating system is defined as a system a computer can use to achieve an intended goal by operating a given program.
really what it comes down to is who defines the parts of the OS. with windows/mac it is a company (driving force) looking for a mass marketable tool, for linux its the user (driving force) looking for a specific or general tool.
im drunk your all welcome to flame be for TL;DR or being wrong. emboogalard