Interface Mmemme Linux dị ka ederede nkuzi mahadum
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Mmemme mmemme Linux dị ka ederede nkuzi mahadum
N'ebe mmụta sayensị kọmputa na-achọsi ike, ịhọrọ akwụkwọ ọgụgụ ziri ezi bụ mkpebi nkuzi dị oke mkpa. Edemede ga-abụ ma ntụaka doro anya yana ntuziaka na-adọrọ adọrọ, nwere ike ịgbanwe abstraction sistemụ dị mgbagwoju anya ka ọ bụrụ nghọta a na-ahụ anya. Maka nkuzi na-enyocha sistemụ arụmọrụ, mmemme sistemụ, ma ọ bụ injinịa sọftụwia dị elu, Michael Kerrisk's The Linux Programming Interface (TLPI) na-eguzo dị ka nhọrọ dị egwu ma na-ewu ewu. Karịa naanị akwụkwọ ntuziaka, ọ na-eje ozi dị ka usoro ọmụmụ zuru oke n'onwe ya, na-eme ka ọdịiche dị n'etiti echiche echiche na eziokwu bara uru nke sistemụ arụmọrụ ọgbara ọhụrụ, POSIX na-akwado. Nkwenye ya na agụmakwụkwọ na-egosipụta ngbanwe gaa n'ụkpụrụ nkuzi site na ụwa dị adị, nke etinyere n'elu ikpo okwu dị ka Linux, na-akwadebe ụmụ akwụkwọ maka ihe ịma aka injinia ha ga-eche ihu na ụlọ ọrụ.Site na Tiori gaa na omume a na-ahụ anya
Usoro usoro mmemme ọdịnala na-agbakarị mgba na nkwụsị: ụmụ akwụkwọ na-amụta algọridim seminal maka nhazi usoro ma ọ bụ njikwa ebe nchekwa site n'echiche echiche, mana mmekọrịta ha na ezigbo kernel na-ejedebe na mfe, koodu agụmakwụkwọ. TLPI na-edozi nke a nke ọma. Ọ na-eji Linux kernel-ọkwa mmepụta, sistemụ mepere emepe-dị ka ọmụmụ ihe izizi. Mgbe nwa akwụkwọ gụrụ gbasara ebe nchekwa mebere, ha nwere ike inyocha oku sistemụ map() ozugbo, dee mmemme na-eji ya, wee hụ omume ya. Ahịrị a kpọmkwem site n'echiche ruo na mmejuputa iwu na-ewusi nghọta n'ụzọ nke echiche nkịtị naanị enweghị ike. Ọ na-enye ụmụ akwụkwọ ike ịhụ sistemụ arụmọrụ ọ bụghị dị ka igbe ojii monolithic, kama dị ka ihe dị ndụ, nke nwere ike ime mmemme, dị ka otu ụdị azụmahịa OS dị ka Mewayz si kpughee API akọwapụtara nke ọma maka iwulite na ịmezi usoro azụmahịa.
Ụzọ Haziri Site na Sistemụ Mgbagwoju anya
Oke akwụkwọ ahụ (ihe karịrị ibe 1500) nwere ike iyi ihe na-akụda mmụọ, mana nhazi ya bụ ọgụgụ isi ya dị ka ngwa nkuzi. Ọ na-eso n'ọganihu ezi uche dị na ya nke gosipụtara usoro ọmụmụ ahaziri nke ọma:- Ntọala Mbụ: Ọ na-amalite site na isi I/O, sistemụ faịlụ, na echiche usoro, na-ahụ na ụmụ akwụkwọ niile guzobe usoro ntọala.
- Mgbagwoju anya na-abawanye: Ọ na-eji nwayọọ nwayọọ na-ewulite isiokwu ndị dị elu dị ka akara ngosi, eri, na nzikọrịta ozi n'etiti usoro, na-enye ohere ọmụmụ ka ọ dị elu site na mmalite ruo ọkwa dị elu.
- Ọmụma Njikere Nrụ Ọrụ: Isiakwụkwọ ndị ọzọ na sọket, daemons, na ọba akwụkwọ nkekọrịta na-enye ngwa ngwa maka nnukwu ọrụ semester, dị ka iwulite sava nwere ọtụtụ eriri ma ọ bụ shei omenala.
- Ogosi nrụtụ aka: Ntụnye aka ya nke ọma na ntugharị aka ya na-akụziri ụmụ akwụkwọ otu esi agagharị akwụkwọ nka nka siri ike — nka ọkachamara dị mkpa.
Ịkwalite Àgwà Injinia Ọkachamara
E wezụga ịkuzi oku API, Linux Programming Interface na-akụnye echiche nke mmemme siri ike, echekwara na obere akpa. Kerrisk na-egosipụtakarị nchegbu mbugharị n'etiti ụdị sistemụ, ọnyà nchekwa (dị ka agbụrụ oge nlele-na-oge eji eme ihe), yana mkpa njikwa njehie maka ọrụ ọ bụla ewepụtara. Nke a mesiri ike kwekọọ n'ụzọ zuru oke na usoro ọmụmụ injinịa ngwanrọ ọgbara ọhụrụ nke na-emesi nchekwa ike - nke mbụ na imewe ike. Ụmụ akwụkwọ na-amụta ọ bụghị naanịesiịkpọ oku usoro, ma otu esi eme ya nke ọmana ebe mmepụta ihe. Nke a bụ ihe yiri nkà ihe ọmụma dị n'azụ nyiwe dị ka Mewayz, ebe ntụkwasị obi, nchekwa, na imewe API dị ọcha bụ ihe kachasị mkpa maka iwulite ngwa azụmahịa kwụsiri ike nke na-arụ ọrụ dị egwu.
"Akwụkwọ a ... bụ maka ide ngwa na-agba ọsọ na Linux na ndị ọzọ UNIX-dị ka sistemụ arụmọrụ. A na-ezubere ya isi na mmemme, mana ọ bara uru maka ndị na-ahụ maka sistemụ na ndị ọrụ ike chọrọ ịghọtakwu usoro na otu esi ejikwa ya." - Michael Kerrisk, Interface Mmemme Linux
Mmekọrịta na Ngwa nkuzi Ọgbara
Irụ ọrụ nke TLPI dị ka ederede nkuzi na-abawanye site na gburugburu ebe obibi gbara ya gburugburu. Koodu isi mmalite zuru oke maka ihe atụ niile dị na ntanetị, na-enye akụrụngwa bara uru maka ụlọ nyocha na ọmụmụ onwe onye. Ndị nkuzi nwere ike rụọ ọrụ aka-na ụlọ nyocha nke na-esi na ịgba ọsọ ma gbanwee koodu enyere ka ụmụ akwụkwọ mejuputa azịza nke ha dabere na nkọwa akwụkwọ ahụ. Ọzọkwa, iji sistemụ arụmọrụ dị n'efu (Linux) nwere ederede doro anya na-ewepụ ihe mgbochi ego na ngwa ngwa maka ụmụ akwụkwọ. Ha nwere ike ịwụnye gburugburu mmepe na ngwaike nke aka ha, na-anwale n'efu, ma buru nrụtụ aka a dị ike n'ọrụ ha. N'ihe mmụta mmụta lekwasịrị anya n'iwulite ikike nke ụwa n'ezie,TLPIna-atụgharị n'enweghị nsogbu site na akwụkwọ ọgụgụ na shelf gaa na ntuziaka mepere emepe na tebụl, na-eduzi mmepe nke ọgbọ na-esote usoro mmemme na ndị na-ese ụkpụrụ ụlọ.
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Mmemme mmemme Linux dị ka ederede nkuzi mahadum
N'ebe mmụta sayensị kọmputa na-achọsi ike, ịhọrọ akwụkwọ ọgụgụ ziri ezi bụ mkpebi nkuzi dị oke mkpa. Edemede ga-abụ ma ntụaka doro anya yana ntuziaka na-adọrọ adọrọ, nwere ike ịgbanwe abstraction sistemụ dị mgbagwoju anya ka ọ bụrụ nghọta a na-ahụ anya. Maka nkuzi na-enyocha sistemụ arụmọrụ, mmemme sistemụ, ma ọ bụ injinịa sọftụwia dị elu, Michael Kerrisk's The Linux Programming Interface (TLPI) na-eguzo dị ka nhọrọ dị egwu ma na-ewu ewu. Karịa naanị akwụkwọ ntuziaka, ọ na-eje ozi dị ka usoro ọmụmụ zuru oke n'onwe ya, na-eme ka ọdịiche dị n'etiti echiche echiche na eziokwu bara uru nke sistemụ arụmọrụ ọgbara ọhụrụ, POSIX na-akwado. Nkwenye ya na agụmakwụkwọ na-egosipụta ngbanwe gaa n'ụkpụrụ nkuzi site na ụwa dị adị, nke etinyere n'elu ikpo okwu dị ka Linux, na-akwadebe ụmụ akwụkwọ maka ihe ịma aka injinia ha ga-eche ihu na ụlọ ọrụ.Site na Tiori gaa na omume a na-ahụ anya
Usoro usoro mmemme ọdịnala na-agbakarị mgba na nkwụsị: ụmụ akwụkwọ na-amụta algọridim seminal maka nhazi usoro ma ọ bụ njikwa ebe nchekwa site n'echiche echiche, mana mmekọrịta ha na ezigbo kernel na-ejedebe na mfe, koodu agụmakwụkwọ. TLPI na-edozi nke a nke ọma. Ọ na-eji Linux kernel-ọkwa mmepụta, sistemụ mepere emepe-dị ka ọmụmụ ihe izizi. Mgbe nwa akwụkwọ gụrụ gbasara ebe nchekwa mebere, ha nwere ike nyochaa oku sistemu mmap() ozugbo, dee mmemme na-eji ya, wee hụ omume ya. Ahịrị a kpọmkwem site n'echiche ruo na mmejuputa iwu na-ewusi nghọta n'ụzọ nke echiche nkịtị naanị enweghị ike. Ọ na-enye ụmụ akwụkwọ ike ịhụ sistemụ arụmọrụ ọ bụghị dị ka igbe ojii monolithic, kama dị ka ihe dị ndụ, nke nwere ike ime mmemme, dị ka otu ụdị azụmahịa OS dị ka Mewayz si kpughee API akọwapụtara nke ọma maka iwulite na ịmezi usoro azụmahịa.
Ụzọ Haziri Site na Sistemụ Mgbagwoju anya
Oke akwụkwọ ahụ (ihe karịrị ibe 1500) nwere ike iyi ihe na-akụda mmụọ, mana nhazi ya bụ ọgụgụ isi ya dị ka ngwa nkuzi. Ọ na-eso n'ọganihu ezi uche dị na ya nke gosipụtara usoro ọmụmụ ahaziri nke ọma:Ịkwalite Àgwà Injinia Ọkachamara
E wezụga ikuzi oku API, Interface Mmemme Linux na-akụnye echiche nke mmemme siri ike, echekwara na mkpanaka. Kerrisk na-egosipụtakarị nchegbu mbugharị n'etiti ụdị sistemụ, ọnyà nchekwa (dị ka agbụrụ oge nlele-na-oge eji eme ihe), yana mkpa njikwa njehie maka ọrụ ọ bụla ewepụtara. Nke a mesiri ike kwekọọ n'ụzọ zuru oke na usoro ọmụmụ injinịa ngwanrọ ọgbara ọhụrụ nke na-emesi nchekwa ike - nke mbụ na imewe ike. Ụmụ akwụkwọ na-amụta ọ bụghị naanị otu esi akpọ oku usoro, mana otu esi eme ya nke ọma na gburugburu mmepụta ihe. Nke a bụ ihe yiri nkà ihe ọmụma dị n'azụ nyiwe dị ka Mewayz, ebe ntụkwasị obi, nchekwa, na imewe API dị ọcha bụ ihe kachasị mkpa maka iwulite ngwa azụmahịa kwụsiri ike nke na-arụ ọrụ dị egwu.Mmekọrịta na Ngwa nkuzi Ọgbara
Arụ ọrụ nke TLPI dị ka ederede nkuzi na-abawanye site na gburugburu ebe obibi gbara ya gburugburu. Koodu isi mmalite zuru oke maka ihe atụ niile dị na ntanetị, na-enye akụrụngwa bara uru maka ụlọ nyocha na ọmụmụ onwe onye. Ndị nkuzi nwere ike rụọ ọrụ aka-na ụlọ nyocha nke na-esi na ịgba ọsọ ma gbanwee koodu enyere ka ụmụ akwụkwọ mejuputa azịza nke ha dabere na nkọwa akwụkwọ ahụ. Ọzọkwa, iji sistemụ arụmọrụ dị n'efu (Linux) nwere ederede doro anya na-ewepụ ihe mgbochi ego na ngwa ngwa maka ụmụ akwụkwọ. Ha nwere ike ịwụnye gburugburu mmepe na ngwaike nke aka ha, na-anwale n'efu, ma buru nrụtụ aka a dị ike n'ọrụ ha. N'ime ọnọdụ mmụta lekwasịrị anya n'iwulite ikike nke ụwa n'ezie, TLPI na-atụgharị n'enweghị nsogbu site na akwụkwọ ọgụgụ na shelf gaa na ntuziaka mepere emepe na tebụl, na-eduzi mmepe nke ọgbọ na-esote nke ndị mmemme na ndị na-ese ụkpụrụ ụlọ.
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