virtual machine
1. An ef="module.php?name=Lexikon&file=search&eid=1&query=abstract machine">abstract machine for which an ef="module.php?name=Lexikon&file=search&eid=1&query=interpreter">interpreter exists. Virtual machin es ar e oft en us ed in th e impl em entation of portabl e ex ecutors for ef="module.php?name=Lexikon&file=search&eid=1&query=high-level languages">high-level languages. Th e HLL is compil ed into cod e for th e virtual machin e (an {int erm ediat e languag e}) which is th en ex ecut ed by an {int erpr et er} writt en in ef="module.php?name=Lexikon&file=search&eid=1&query=assembly language">assembly language or som e oth er portabl e languag e lik e ef="module.php?name=Lexikon&file=search&eid=1&query=C">C. exampl es ar e ef="module.php?name=Lexikon&file=search&eid=1&query=Core War">Core War, ef="module.php?name=Lexikon&file=search&eid=1&query=Java Virtual Machine">Java Virtual Machine, ef="module.php?name=Lexikon&file=search&eid=1&query=OCODe">OCODe, ef="module.php?name=Lexikon&file=search&eid=1&query=OS/2">OS/2, ef="module.php?name=Lexikon&file=search&eid=1&query=POPLOG">POPLOG, ef="module.php?name=Lexikon&file=search&eid=1&query=Portable Scheme Interpreter">Portable Scheme Interpreter, {Portabl e Standard Lisp}, {Parall el Virtual Machin e}, {S equ ential Parlog Machin e}, {SNOBOL Impl em entation Languag e}, {SODA}, ef="module.php?name=Lexikon&file=search&eid=1&query=Smalltalk">Smalltalk. 2. A softwar e emulation of a physical computing environm ent. Th e t erm gav e ris e to th e nam e of ef="module.php?name=Lexikon&file=search&eid=1&query=IBM">IBM' s ef="module.php?name=Lexikon&file=search&eid=1&query=VM">VM {op erating syst em} whos e task is to provid e on e or mor e simultan eous ex ecution environm ents in which op erating syst ems or oth er programs may ex ecut e as though th ey w er e running "on th e bar e iron", that is, without an ev eloping Control Program. A major us e of VM is th e running of both outdat ed and curr ent v ersions of th e sam e op erating syst em on a singl e ef="module.php?name=Lexikon&file=search&eid=1&query=CPU">CPU compl ex for th e purpos e of syst em migration, th er eby obviating th e n eed for a s econd proc essor. (2002-04-15) e="border-width:thin; border-color:#333333; border-style:dashed; padding:5px;" align="left">In addition suitable contents: [ ef="module.php?name=Lexikon&op=content&tid=31">2 ] [ ef="module.php?name=Lexikon&op=content&tid=134">= ] [ ef="module.php?name=Lexikon&op=content&tid=179">abstract machine ] [ ef="module.php?name=Lexikon&op=content&tid=396">ag ] [ ef="module.php?name=Lexikon&op=content&tid=433">al ] [ ef="module.php?name=Lexikon&op=content&tid=544">am ] [ ef="module.php?name=Lexikon&op=content&tid=592">an ] [ ef="module.php?name=Lexikon&op=content&tid=740">ar ] [ ef="module.php?name=Lexikon&op=content&tid=743">arc ] [ ef="module.php?name=Lexikon&op=content&tid=800">as ] [ ef="module.php?name=Lexikon&op=content&tid=853">assembly language ] [ ef="module.php?name=Lexikon&op=content&tid=894">at ] [ ef="module.php?name=Lexikon&op=content&tid=996">av ] [ ef="module.php?name=Lexikon&op=content&tid=1025">B ] [ ef="module.php?name=Lexikon&op=content&tid=1026">b ] [ ef="module.php?name=Lexikon&op=content&tid=1034">ba ] [ ef="module.php?name=Lexikon&op=content&tid=1109">bar ] [ ef="module.php?name=Lexikon&op=content&tid=1444">bo ] [ ef="module.php?name=Lexikon&op=content&tid=1501">bot ] [ ef="module.php?name=Lexikon&op=content&tid=1606">bs ] [ ef="module.php?name=Lexikon&op=content&tid=1691">bv ] [ ef="module.php?name=Lexikon&op=content&tid=1695">by ] [ ef="module.php?name=Lexikon&op=content&tid=1708">C ] [ ef="module.php?name=Lexikon&op=content&tid=1724">ca ] [ ef="module.php?name=Lexikon&op=content&tid=2001">ch ] [ ef="module.php?name=Lexikon&op=content&tid=2247">co ] [ ef="module.php?name=Lexikon&op=content&tid=2273">code ] [ ef="module.php?name=Lexikon&op=content&tid=2330">com ] [ ef="module.php?name=Lexikon&op=content&tid=2538">computing ] [ ef="module.php?name=Lexikon&op=content&tid=2545">con ] [ ef="module.php?name=Lexikon&op=content&tid=2665">Control Program ] [ ef="module.php?name=Lexikon&op=content&tid=2733">Core War ] [ ef="module.php?name=Lexikon&op=content&tid=2767">CP ] [ ef="module.php?name=Lexikon&op=content&tid=2786">CPU ] [ ef="module.php?name=Lexikon&op=content&tid=2900">cu ] [ ef="module.php?name=Lexikon&op=content&tid=2912">current ] [ ef="module.php?name=Lexikon&op=content&tid=2976">D ] [ ef="module.php?name=Lexikon&op=content&tid=3096">date ] [ ef="module.php?name=Lexikon&op=content&tid=3151">de ] [ ef="module.php?name=Lexikon&op=content&tid=3752">du ] [ ef="module.php?name=Lexikon&op=content&tid=3834">e ] [ ef="module.php?name=Lexikon&op=content&tid=3865">ec ] [ ef="module.php?name=Lexikon&op=content&tid=3896">ed ] [ ef="module.php?name=Lexikon&op=content&tid=3929">ee ] [ ef="module.php?name=Lexikon&op=content&tid=4061">emulation ] [ ef="module.php?name=Lexikon&op=content&tid=4111">environment ] [ ef="module.php?name=Lexikon&op=content&tid=4148">er ] [ ef="module.php?name=Lexikon&op=content&tid=4150">era ] [ ef="module.php?name=Lexikon&op=content&tid=4171">es ] [ ef="module.php?name=Lexikon&op=content&tid=4199">et ] [ ef="module.php?name=Lexikon&op=content&tid=4279">exec ] [ ef="module.php?name=Lexikon&op=content&tid=4284">execute ] [ ef="module.php?name=Lexikon&op=content&tid=4286">execution ] [ ef="module.php?name=Lexikon&op=content&tid=4497">fi ] [ ef="module.php?name=Lexikon&op=content&tid=4520">file ] [ ef="module.php?name=Lexikon&op=content&tid=4700">fo ] [ ef="module.php?name=Lexikon&op=content&tid=4727">for ] [ ef="module.php?name=Lexikon&op=content&tid=4983">G ] [ ef="module.php?name=Lexikon&op=content&tid=4989">ga ] [ ef="module.php?name=Lexikon&op=content&tid=5057">ge ] [ ef="module.php?name=Lexikon&op=content&tid=5134">gh ] [ ef="module.php?name=Lexikon&op=content&tid=5171">gl ] [ ef="module.php?name=Lexikon&op=content&tid=5291">gr ] [ ef="module.php?name=Lexikon&op=content&tid=5403">gu ] [ ef="module.php?name=Lexikon&op=content&tid=5434">h ] [ ef="module.php?name=Lexikon&op=content&tid=5540">hat ] [ ef="module.php?name=Lexikon&op=content&tid=5638">high-level language ] [ ef="module.php?name=Lexikon&op=content&tid=5672">HLL ] [ ef="module.php?name=Lexikon&op=content&tid=5722">hose ] [ ef="module.php?name=Lexikon&op=content&tid=5768">hr ] [ ef="module.php?name=Lexikon&op=content&tid=5868">IBM ] [ ef="module.php?name=Lexikon&op=content&tid=5931">id ] [ ef="module.php?name=Lexikon&op=content&tid=6013">il ] [ ef="module.php?name=Lexikon&op=content&tid=6064">in ] [ ef="module.php?name=Lexikon&op=content&tid=6194">int ] [ ef="module.php?name=Lexikon&op=content&tid=6382">interpreter ] [ ef="module.php?name=Lexikon&op=content&tid=6413">io ] [ ef="module.php?name=Lexikon&op=content&tid=6449">ir ] [ ef="module.php?name=Lexikon&op=content&tid=6468">iron ] [ ef="module.php?name=Lexikon&op=content&tid=6482">is ] [ ef="module.php?name=Lexikon&op=content&tid=6558">it ] [ ef="module.php?name=Lexikon&op=content&tid=6589">J ] [ ef="module.php?name=Lexikon&op=content&tid=6644">Java Virtual Machine ] [ ef="module.php?name=Lexikon&op=content&tid=6681">jo ] [ ef="module.php?name=Lexikon&op=content&tid=6789">ke ] [ ef="module.php?name=Lexikon&op=content&tid=6918">la ] [ ef="module.php?name=Lexikon&op=content&tid=6950">language ] [ ef="module.php?name=Lexikon&op=content&tid=7091">Lex ] [ ef="module.php?name=Lexikon&op=content&tid=7107">li ] [ ef="module.php?name=Lexikon&op=content&tid=7203">Lisp ] [ ef="module.php?name=Lexikon&op=content&tid=7243">lk ] [ ef="module.php?name=Lexikon&op=content&tid=7245">LL ] [ ef="module.php?name=Lexikon&op=content&tid=7258">LO ] [ ef="module.php?name=Lexikon&op=content&tid=7410">lt ] [ ef="module.php?name=Lexikon&op=content&tid=7441">ly ] [ ef="module.php?name=Lexikon&op=content&tid=7457">M ] [ ef="module.php?name=Lexikon&op=content&tid=7463">ma ] [ ef="module.php?name=Lexikon&op=content&tid=7465">Mac ] [ ef="module.php?name=Lexikon&op=content&tid=7476">Mach ] [ ef="module.php?name=Lexikon&op=content&tid=7479">machine ] [ ef="module.php?name=Lexikon&op=content&tid=7579">mall ] [ ef="module.php?name=Lexikon&op=content&tid=8032">mo ] [ ef="module.php?name=Lexikon&op=content&tid=8040">mod ] [ ef="module.php?name=Lexikon&op=content&tid=8079">module ] [ ef="module.php?name=Lexikon&op=content&tid=8167">mp ] [ ef="module.php?name=Lexikon&op=content&tid=8228">ms ] [ ef="module.php?name=Lexikon&op=content&tid=8258">mu ] [ ef="module.php?name=Lexikon&op=content&tid=8384">N ] [ ef="module.php?name=Lexikon&op=content&tid=8386">na ] [ ef="module.php?name=Lexikon&op=content&tid=8472">ne ] [ ef="module.php?name=Lexikon&op=content&tid=8627">ng ] [ ef="module.php?name=Lexikon&op=content&tid=8630">ni ] [ ef="module.php?name=Lexikon&op=content&tid=8672">nn ] [ ef="module.php?name=Lexikon&op=content&tid=8760">ns ] [ ef="module.php?name=Lexikon&op=content&tid=8820">O ] [ ef="module.php?name=Lexikon&op=content&tid=8906">OCODe ] [ ef="module.php?name=Lexikon&op=content&tid=8917">ODA ] [ ef="module.php?name=Lexikon&op=content&tid=8964">om ] [ ef="module.php?name=Lexikon&op=content&tid=9014">op ] [ ef="module.php?name=Lexikon&op=content&tid=9061">operating system ] [ ef="module.php?name=Lexikon&op=content&tid=9132">OS ] [ ef="module.php?name=Lexikon&op=content&tid=9134">OS/2 ] [ ef="module.php?name=Lexikon&op=content&tid=9295">Parallel Virtual Machine ] [ ef="module.php?name=Lexikon&op=content&tid=9318">Parlog ] [ ef="module.php?name=Lexikon&op=content&tid=9457">pe ] [ ef="module.php?name=Lexikon&op=content&tid=9550">ph ] [ ef="module.php?name=Lexikon&op=content&tid=9572">physical ] [ ef="module.php?name=Lexikon&op=content&tid=9616">ping ] [ ef="module.php?name=Lexikon&op=content&tid=9651">pl ] [ ef="module.php?name=Lexikon&op=content&tid=9799">POP ] [ ef="module.php?name=Lexikon&op=content&tid=9815">POPLOG ] [ ef="module.php?name=Lexikon&op=content&tid=9821">port ] [ ef="module.php?name=Lexikon&op=content&tid=9823">portable ] [ ef="module.php?name=Lexikon&op=content&tid=9835">Portable Scheme Interpreter ] [ ef="module.php?name=Lexikon&op=content&tid=9836">Portable Standard Lisp ] [ ef="module.php?name=Lexikon&op=content&tid=9908">pr ] [ ef="module.php?name=Lexikon&op=content&tid=9995">process ] [ ef="module.php?name=Lexikon&op=content&tid=10001">processor ] [ ef="module.php?name=Lexikon&op=content&tid=10023">program ] [ ef="module.php?name=Lexikon&op=content&tid=10253">query ] [ ef="module.php?name=Lexikon&op=content&tid=10364">rc ] [ ef="module.php?name=Lexikon&op=content&tid=10385">re ] [ ef="module.php?name=Lexikon&op=content&tid=10589">rete ] [ ef="module.php?name=Lexikon&op=content&tid=10754">rl ] [ ef="module.php?name=Lexikon&op=content&tid=10767">ro ] [ ef="module.php?name=Lexikon&op=content&tid=10887">ru ] [ ef="module.php?name=Lexikon&op=content&tid=10892">run ] [ ef="module.php?name=Lexikon&op=content&tid=10918">S ] [ ef="module.php?name=Lexikon&op=content&tid=10922">sa ] [ ef="module.php?name=Lexikon&op=content&tid=10959">sam ] [ ef="module.php?name=Lexikon&op=content&tid=11047">Scheme ] [ ef="module.php?name=Lexikon&op=content&tid=11150">se ] [ ef="module.php?name=Lexikon&op=content&tid=11235">Seque ] [ ef="module.php?name=Lexikon&op=content&tid=11239">Sequent ] [ ef="module.php?name=Lexikon&op=content&tid=11242">Sequential Parlog Machine ] [ ef="module.php?name=Lexikon&op=content&tid=11376">si ] [ ef="module.php?name=Lexikon&op=content&tid=11510">sk ] [ ef="module.php?name=Lexikon&op=content&tid=11565">Smalltalk ] [ ef="module.php?name=Lexikon&op=content&tid=11640">SNOBOL ] [ ef="module.php?name=Lexikon&op=content&tid=11650">SO ] [ ef="module.php?name=Lexikon&op=content&tid=11651">so ] [ ef="module.php?name=Lexikon&op=content&tid=11669">SODA ] [ ef="module.php?name=Lexikon&op=content&tid=11680">software ] [ ef="module.php?name=Lexikon&op=content&tid=11934">st ] [ ef="module.php?name=Lexikon&op=content&tid=11968">Standard Lisp ] [ ef="module.php?name=Lexikon&op=content&tid=12246">sy ] [ ef="module.php?name=Lexikon&op=content&tid=12312">system ] [ ef="module.php?name=Lexikon&op=content&tid=12359">T ] [ ef="module.php?name=Lexikon&op=content&tid=12369">table ] [ ef="module.php?name=Lexikon&op=content&tid=12393">talk ] [ ef="module.php?name=Lexikon&op=content&tid=12463">td ] [ ef="module.php?name=Lexikon&op=content&tid=12588">th ] [ ef="module.php?name=Lexikon&op=content&tid=12721">to ] [ ef="module.php?name=Lexikon&op=content&tid=12787">tr ] [ ef="module.php?name=Lexikon&op=content&tid=12896">tt ] [ ef="module.php?name=Lexikon&op=content&tid=12939">tw ] [ ef="module.php?name=Lexikon&op=content&tid=12986">ua ] [ ef="module.php?name=Lexikon&op=content&tid=13008">ug ] [ ef="module.php?name=Lexikon&op=content&tid=13175">us ] [ ef="module.php?name=Lexikon&op=content&tid=13229">V ] [ ef="module.php?name=Lexikon&op=content&tid=13252">va ] [ ef="module.php?name=Lexikon&op=content&tid=13310">ve ] [ ef="module.php?name=Lexikon&op=content&tid=13335">version ] [ ef="module.php?name=Lexikon&op=content&tid=13366">vi ] [ ef="module.php?name=Lexikon&op=content&tid=13406">virtual ] [ ef="module.php?name=Lexikon&op=content&tid=13422">Virtual Machine ] [ ef="module.php?name=Lexikon&op=content&tid=13477">VM ]
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