[1] : WordNet (r) 2.0

operating system
     n : computer science software that controls the execution of
         computer programs and may provide various services syn:
         os
see also:
os 

[2] : Jargon File (4.3.1, 29 Jun 2001)

operating system n. techspeak often abbreviated `os' the
   foundation software of a machine; that which schedules tasks, allocates
   storage, and presents a default interface to the user between
   applications. the facilities an operating system provides and its
   general design philosophy exert an extremely strong influence on
   programming style and on the technical cultures that grow up around its
   host machines. hacker folklore has been shaped primarily by the
   unix, its, tops-10, tops-20/twenex, waits,
   cp/m, ms-dos, and multics operating systems most
   importantly by its and unix.


see also:
unix its tops-10 tops-20 twenex waits 
cp/m ms-dos multics 

[3] : The Free On-line Dictionary of Computing (27 SEP 03)

operating system
     
         os the low-level software which handles
        the interface to peripheral hardware, schedules tasks,
        allocates storage, and presents a default interface to the
        user when no application program is running.
     
        the os may be split into a kernel which is always present
        and various system programs which use facilities provided by
        the kernel to perform higher-level house-keeping tasks,
        often acting as servers in a client-server relationship.
     
        some would include a graphical user interface and window
        system as part of the os, others would not.  the operating
        system loader, bios, or other firmware required at boot
        time or when installing the operating system would generally
        not be considered part of the operating system, though this
        distinction is unclear in the case of a rommable operating
        system such as risc os.
     
        the facilities an operating system provides and its general
        design philosophy exert an extremely strong influence on
        programming style and on the technical cultures that grow up
        around the machines on which it runs.
     
        example operating systems include 386bsd, aix, aos,
        amoeba, angel, artemis microkernel, beos, brazil,
        cos, cp/m, ctss, chorus, dacnos, dosexec 2,
        gcos, george 3, geos, its, kaos, linux, lynxos,
        mpv, ms-dos, mvs, mach, macintosh operating system,
        microsoft windows, minix, multics, multipop-68,
        novell netware, os-9, os/2, pick, plan 9, qnx,
        risc os, sting, system v, system/360, tops-10,
        tops-20, trusix, twenex, tymcom-x, thoth, unix,
        vm/cms, vms, vrtx, vsta, vxworks, waits.
     
        faq
        ftp://src.doc.ic.ac.uk/usenet/news-info/comp.os.research.
     
        usenet newsgroup: news:comp.os.research.
     
        jargon file
     
        1999-06-09
     
     
see also:
software peripheral hardware tasks storage interface 
application program kernel house-keeping servers client-server 
graphical user interface window system operating system loader bios firmware 
boot time rommable operating system risc os 386bsd aix 
aos amoeba angel artemis microkernel beos 
brazil cos cp/m ctss chorus 
dacnos dosexec 2 gcos george 3 geos 
its kaos linux lynxos mpv 
ms-dos mvs mach macintosh operating system microsoft windows 
minix multics multipop-68 novell netware os-9 
os/2 pick plan 9 qnx sting 
system v system/360 tops-10 tops-20 trusix 
twenex tymcom-x thoth unix vm/cms 
vms vrtx vsta vxworks waits 
lt;faqgt; usenet lt;news:comp.os.researchgt; jargon file 

Operating >> O Words
Operating, definition of term: Operating
operating_pag1.html

Operating Syste >> O Words
Operating Syste, definition of term: Operating Syste
operating+syste_pag1.html

Operating Expen >> O Words
Operating Expen, definition of term: Operating Expen
operating+expen_pag1.html

Jury System >> J Words
Jury System, definition of term: Jury System
jury+system_pag1.html

Heating System >> H Words
Heating System, definition of term: Heating System
heating+system_pag1.html

Legacy System >> L Words
Legacy System, definition of term: Legacy System
legacy+system_pag1.html

File System >> F Words
File System, definition of term: File System
file+system_pag1.html

Metric System >> M Words
Metric System, definition of term: Metric System
metric+system_pag1.html

Nervous System >> N Words
Nervous System, definition of term: Nervous System
nervous+system_pag1.html

Feudal System >> F Words
Feudal System, definition of term: Feudal System
feudal+system_pag1.html

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