Operating environment: Difference between revisions

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The operating environment in engineering describes the circumstances surrounding and potentially affecting something that is operating. For example electronic or mechanical equipment may be affected by high temperatures, vibration, dust, and other parameters which comprise the operating environment.

Computing

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 ==Computing==
-In a computer the operating environment includes temperature and so on affecting circuitry; but in particular the term is often used to describe the non-physical environment in which [[software]] runs. This may apply to [[application software]] with which users interact, comprising the "[[look and feel]]" of the system, its appearance and the things that have to be done to achieve desired results. The term may also apply to [[system software]]; e.g., software designed for a [[Unix]] environment will do things differently than in a [[Microsoft Windows]] environment. Some operating environments for programming purposes are referred as programming environments; e.g., the "UNIX programming environment" for a [[Unix shell]] with its look and feel and functionality.
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-"Operating environment" is not the totality of the functionality and appearance of an [[operating system]].
-In the mid 1980s, [[text-based user interface|text-based]] and [[graphical user interface|graphical]] user interface operating environments such as [[IBM TopView]], [[Microsoft Windows]], [[Digital Research]]'s [[GEM Desktop]] and [[Quarterdeck Office Systems]]'s [[DESQview]] surrounded [[DOS]] operating systems with a [[shell (computing)|shell]] that turned the user's [[computer monitor|display]] into a [[menu (computing)|menu]]-oriented "[[desktop metaphor|desktop]]" for selecting and running [[IBM PC compatible|PC]] applications.  These programs were more than simple menu systems—as alternate operating environments they were substitutes for integrated programs such as [[Framework (office suite)|Framework]] and [[Lotus Symphony (DOS)|Symphony]], that allowed [[context switch|switching]], [[windowing system|windowing]] and [[cut-and-paste]] operations among dedicated applications.  These operating environment systems gave users much of the convenience of [[integrated software]] without locking them into a single package.  Alternative operating environments made [[Terminate and Stay Resident|TSR]] pop-up utilities such as [[Borland Sidekick]] redundant.  Windows provided its own version of these utilities, and placing them under central control could eliminate memory conflicts that [[RAM]]-resident utilities create.<ref>Operating in a New Environment, ''PC Magazine'', Feb 25, 1986</ref>  In later versions, Windows evolved from an operating environment into a complete operating system.
-==="The environment" and environment variables===
-{{Main|environment variable}}
-Some operating systems have an area of memory called "the environment" which can contain [[environment variable]]s which tell processes about such matters as where the particular [[computer system]] expects temporary files to be stored, i.e., some details of the operating environment.
 ==See also (computing)==