Umbhobho ngumyalelo kwiLinux ekuvumela ukuba usebenzise imiyalelo emibini okanye ngaphezulu ukuze imveliso yomyalelo omnye isebenze njengegalelo kolandelayo. Ngamafutshane, imveliso yenkqubo nganye ngokuthe ngqo njengegalelo kwilandelayo njengombhobho. Isimboli '|' lichaza umbhobho.
Yintoni umbhobho kwaye unike umzekelo?
Inkcazo yombhobho sisilinda esingenanto esisetyenziselwa ukuhambisa ulwelo, iigesi okanye ioli, okanye isixhobo sokutshaya, okanye isixhobo somoya apho umoya ungcangcazela ukuvelisa isandi. Umzekelo wombhobho yinto eyenziwa ngumtywini kwindlu yangasese. Umzekelo wombhobho yinto esetyenziswa ngumntu xa etshaya icuba. Umzekelo wombhobho ngumbhobho wengxowa.
Isebenza njani imibhobho kwiLinux?
Kwi-Linux, umyalelo wombhobho ikuvumela ukuba uthumele imveliso yomyalelo omnye komnye. Ukubhobhoza, njengoko igama libonisa, kunokwalathisa imveliso esemgangathweni, igalelo, okanye impazamo yenkqubo enye ukuya kwenye ukuze iqhubekeke phambili.
Yintoni imibhobho ecacisayo?
Umbhobho ngu icandelo le-tubular okanye isilinda esingenanto, ngokuqhelekileyo kodwa kungekhona i-circular cross-section, esetyenziselwa ngokukodwa ukuhambisa izinto ezinokuhamba - ulwelo kunye neegesi (i-fluids), i-slurries, i-powders kunye nobunzima bezinto ezincinci ezincinci. … Imigangatho emininzi yemizi-mveliso nekarhulumente ikhona yokwenziwa kombhobho kunye netyhubhu.
Uyenza njani ipayipi kwi-Unix?
Umbhobho we-Unix ubonelela ngendlela enye yokuhamba kwedatha. emva koko iqokobhe le Unix lingenza iinkqubo ezintathu ezinemibhobho emibini phakathi kwazo: Umbhobho ungenziwa ngokucacileyo Unix usebenzisa umnxeba wenkqubo yombhobho. Izichazi zefayile ezimbini zibuyiswe-iifildes[0] kunye neefildes[1], kwaye zombini zivulekele ukufunda nokubhala.
Ndiyisebenzisa njani iLinux?
Imiyalelo yeLinux
- pwd -Xa uqala ukuvula i-terminal, ukuluhlu lwasekhaya lomsebenzisi wakho. …
- ls - Sebenzisa "ls" umyalelo ukwazi ukuba zeziphi iifayile ezikuluhlu olukuyo. …
- cd — Sebenzisa “cd” umyalelo ukuya kuluhlu. …
- mkdir & rmdir — Sebenzisa umyalelo we-mkdir xa ufuna ukwenza incwadi eneenkcukacha okanye uvimba weefayili.
Yayiyintoni inguqulelo yokuqala yeLinux?
Ngoxa wayesengumfundi kwiYunivesithi yaseHelsinki, uTorvalds waqala ukuphuhlisa i-Linux ukwenza inkqubo efana ne-MINIX, inkqubo yokusebenza ye-UNIX. Ngowe-1991 wakhululwa 0.02; Inguqulo ye-1.0 ye-Linux kernel, undoqo wenkqubo yokusebenza, yakhululwa ngo-1994.
Uwucoca njani umbhobho?
grep isetyenziswa rhoqo njenge "filter" eneminye imiyalelo. Ikuvumela ukuba ucofe ulwazi olungenamsebenzi kwimveliso yemiyalelo. Ukusebenzisa i-grep njengesihluzi, wena kufuneka umbhobho imveliso yomyalelo ngokusebenzisa grep . Isimboli yombhobho sithi ” | “.
Yintoni ifayile yombhobho?
A FIFO ifayile ekhethekileyo (umbhobho onikwe igama) iyafana nombhobho, ngaphandle kokuba ifunyenwe njengenxalenye yendlela yefayile. Inokuvulwa ngeenkqubo ezininzi zokufunda okanye ukubhala. Xa iinkqubo zitshintshisa idatha ngeFIFO, ikernel igqithisa yonke idatha ngaphakathi ngaphandle kokuyibhala kwisixokelelwano sefayile.