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DOS aiki tsarin: bayanin da yiwuwa

A ranar haihuwa na DOS aiki tsarin za a iya gani a matsayin 1980, lokacin da na farko ci gaba, qazanta da sunan QDOS an halitta. A mafi yadu used tsarin ya samu a shekarar 1987 da kuma amfani da har yanzu lokaci.

Tsarin aiki DOS: general halaye

System (OS) na kwamfuta ne software ɗora Kwatancen a kan wani keɓaɓɓen kwamfuta. Yana daukawa fitar da wani tattaunawa tare da wani mutum da ke sa PC management da albarkatun, executes daban-daban shirye-shirye. Saboda da tsarin aiki da kuma mai amfani da aikace-aikace ta iya dace sadarwa tare da PC na'urorin (dubawa).

Ainihin tsarin ne MSDOS MSDOS.SYS da I0.SYS fayiloli da aka ɗora Kwatancen a cikin memory daga wani Loader kuma shi ne kullum ba a can. A farko fayil aiwatar da wani babban matakin-asali sabis MSDOS, da sauran shi ne karin da tushe tsarin to fitarwa da shigarwa.

Processing mai amfani da shigar da dokokin sanya via umurnin processor, wanda aka gane ta COMMAND.SOM fayil adana a kan wani faifai tare da core. Wasu dokokin a DOS, kamar dir, irin, da kuma wasu da za'ayi da umurnin processor. Suna da ake kira ciki dokokin. Sauran waje dokokin suna da za'ayi tare da taimakon waje fayiloli cewa an ɗora Kwatancen cikin ƙwaƙwalwar ajiya da kuma gudu kamar yadda ta hanyar COMMAND.SOM. Bayan ƙarshen shirin da processor share shirin daga ƙwaƙwalwar ajiya, da kuma rahotanni a kan shiri domin kara aiwatar da mai amfani da ayyuka.

External dokokin cewa executes da DOS tsarin aiki ana tsĩrar da matsayin raba fayiloli tare da tsarin. Sun samar da ayyuka daban-daban da sabis harafin (duba faifai, tsarawa, da dai sauransu ..).

Bugu da kari ga MSDOS shigar da fitarwa tsarin ne na'urar direbobi cewa samar da wadanda ba misali yin amfani da data kasance na'urorin ko sabon sabis. Wadannan shirye-shirye da ake yi wa lodi a cikin memory daga PC tare da tsarin, kuma su an rubuta sunayenku a cikin wani musamman sanyi fayil CONFIG.SYS. Wannan ya sa shi sauki don ƙara sabon na'urorin ba tare da amfani da tsarin MSDOS fayiloli.

DOS aiki tsarin: na asali ayyuka

Babban nauyin shine kula da tsarin (halitta, ajiya, share) fayiloli, wanda suke kama da wani, kuma shi ne mai sa na musamman memory wurare na bayanai. Lokacin da sarrafa fayilolin ɗora Kwatancen a cikin babban memory na kwamfuta, da kuma da shi ne karkashin iko da tsarin (OS).

Kowane fayil dole ne a sunan cewa za su iya zama hadaddun da sauki. Rikitarwa sunan da aka wakilta sunan fayil da tsawo. Ba kamar sauran tsarin na mafi girma matakin (Windows), da MS-DOS sunan fayil iya samun fiye da takwas haruffa. Fayil tsawo nuna irin ko na wani shirin, musamman, kamar wani data fayil ko rubutu.

Hakika, idan aka kwatanta da windose MS DOS - shi ne mai gaba daya daban-daban ke dubawa. Idan na farko tsarin, duk da zama dole kayayyakin aiki, da kuma duk bayanai da aka gabatar graphically a kwamfuta allo, da aikin a DOS tsarin ne mafi tsauri da kuma bukatar musamman da dabarun da ilmi na dokokin.

Kamar yadda wani dubawa a karkashin DOS tsarin kafin amfani bayyana a baki allo tare da wani umurnin-line kawai. Kuma, misali, don sauke shirin ko game (da goyan bayan da tsarin) zai buƙatar shigar da 'yan dokokin.

Bayan bayyanar Norton Kwamandan shirin zuwa aiki a MS-DOS tsarin shi ya zama sauƙin. Har ila yau, DOS aiki tsarin abubuwa a matsayin single-tasking tsarin, da kuma ba da damar sabanin windose aiki tare da biyu ko fiye da shirye-shirye a lokaci guda. Duk da haka, wannan tsarin shi ne har yanzu a amfani, kuma ba ka damar shirya daban-daban musamman ayyuka. Daga DOS kaddamar da wani shirin mayar da bayanai zuwa duba memory da kuma magance wasu "baƙin ƙarfe" na matsaloli.

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