Fayil System Organization of faifai sarari

Masomin mu tattaunawa ya zama da ra'ayin cewa duk data cewa yana dauke da fayil cewa wakiltar wani ma'ana tsarin. Yana da hidima a matsayin tushen ga software ta wajen wanda aka sarrafa kowane musamman fayil. Organization of fayil tsarin damar, misali, na da hakkin ya nuna bayanai a kan nuni, na samar da wani zaɓi kasafi, gyara. Wannan shi ne cimma a cewa kowane kashi na wannan tsarin wakiltar wani musamman code jerin da ya raba shi daga wani memba. Adanar da kuma rike da kwari jihar na tsarin ko tsarin da aka bayar mafi dacewa aikace-aikace ko fayil tsarin.

A karkashin farko zaɓi, duk hanyoyin da fayil executes aikace-aikace da qaga dace da buƙatun da tsarin. Irin wannan hanya ake amfani da ko'ina a zamani fayil tsarin - Windows, NetWare. Na biyu, fayil structuring na samar da OS kanta, wanda ya gane shi a matsayin na musamman jerin code shigarwar. Don wannan karshen, kowane aiki tsarin yana da bayanai a kan tsarin da kowane irin fayil.

The jiki kungiyar na fayil wakiltar wuri a kan kafofin watsa labarai model (jiki na'urar). A mafi muhimmanci sigogi ga yadda ya dace daga cikin kungiyar ne:

- gudun samun bayanai;

- tamanin da adireshin bayanai;

- matakin faifai fragmentation.

- matsakaicin girman fayil.

An nuna alama kamar fragmentation nuna yadda karye filesystem kungiyar saboda da waste daga wannan irin fayiloli a kan tafiyarwa.

Hard drive kanta da aka gina daga Magnetic faranti da za a rubuta a kan su wani bayani. Rikodi tsari kunshi a da ake ji wasu alamomi a kan wafer surface, haka haddasa m lokacin tags taso faifai fayil tsarin kuskure. Kurakurai kamata ko da yaushe a gyara tare da taimakon samuwa shirye-shirye da kuma albarkatun da tsarin, idan kurakurai ba gyara, da faifai ne yawanci tsara, duk bayanai da aka share daga gare ta. Fayil tsarin na Disc hada gungu, wanda ake gani a matsayin wani misali guda ɗaya na ajiya. Cluster - shi ne wani adadin cell cewa an da hannu a cikin aiki na bayanai žunsa. A size daga cikin cell aka ƙaddara ko dai ta atomatik, ko da ma'ana kwaskwarima. A sa na gungu na bangare, watau rabo daga jiki kafofin watsa labarai. A musamman kungiyar na fayil tsarin a kan drive ya shafi partitioning jiki na'urar a cikin sassan domin:

- akwai hani a kan girman da wani ɓangare na musamman tsarin aiki sanya a kan kwamfutarka.

- raba sarari tsakanin masu amfani, ko ka bangare a faifai a cikin thematic sassan.

- dole ka shigar da wani tsarin aiki.

Modern Tsarukan aiki ne iya yadda ya kamata goyi bayan wani iri-iri iri partitions, yada su a kan wani aikin nufi. Mafi na kowa model ne don samar da wani rabuwa irin core, makarantun firamare da sakandare sassan.

faifai layout da aka yi da ma'ana format of hanya. Wannan shiri ne da fayil tsarin ne a aiwatar da canji na kafofin watsa labarai sarari ga bukatun na musamman tsarin aiki. Yana da muhimmanci sosai ga kiyaye da Tsarin nagartacce, wanda ya fita da dokokin lambobi tafiyarwa, ambata sunayen su da saitin matsayi. Mafi sau da yawa, na zamani OS faifai karya a cikin yankuna biyu - da tsarin da kuma sarari data (data). A farko da aka amfani da su iko data yankin. Na biyu ne aka yi nufi ga dauke da bayani game da fayiloli da kuma kundayen. Bayani amfani a cikin primary kwamfuta takalma, ko da yaushe located a kan ta farko (taya) kansu na faifai.