Ukwaziswa kophawu lwedola (noma ukwaziswa okugcina ngophawu lwedola) kusho ukuthi i-UNIX isilungele ukuhumusha nokusebenzisa imiyalo yakho njengoba ibhalwe kukhibhodi yakho.
Yenzani i-$? Kusho ukuthini ku-Linux?
$? -Isimo sokuphuma somyalo wokugcina owenziwe. … Ngemibhalo yegobolondo, lena i-ID yenqubo abasebenzisa ngaphansi kwayo.
Yenzani i-$? Kusho ukuthini ku-Unix?
$? = umyalo wokugcina ube yimpumelelo. Impendulo ithi 0 okusho ukuthi 'yebo'.
Lusho ukuthini uphawu lwedola kutheminali?
Lolo phawu lwedola lusho ukuthi: sikugobolondo lesistimu, okungukuthi, uhlelo ofakwa kulo ngokushesha nje lapho uvula uhlelo lokusebenza lweTheminali. Uphawu lwedola ngokuvamile luwuphawu olusetshenziselwa ukukhombisa lapho ungaqala khona ukuthayipha imiyalo (kufanele ubone ikhesa ecwayizayo lapho).
Yini i-$? Ku-Shell?
$? iwukuguquguquka okukhethekile kugobolondo okufunda isimo sokuphuma somyalo wokugcina okhishiwe. Ngemva kokubuya komsebenzi, $? inikeza isimo sokuphuma somyalo wokugcina owenziwe kumsebenzi.
Kungani kusetshenziswa i-Linux?
I-Linux kade yaba yisisekelo semishini yokuxhumana kwezohwebo, kodwa manje isiyisisekelo sengqalasizinda yebhizinisi. I-Linux iwuhlelo lokusebenza oluzanyiwe noluyiqiniso, oluvula umthombo ovulekile olwakhululwa ngo-1991 lwamakhompiyutha, kodwa ukusetshenziswa kwalo kuye kwanda ukuze kusekelwe izinhlelo zezimoto, amafoni, amaseva ewebhu futhi, kamuva nje, amagiya okuxhumana.
I-Linux isebenza ngani?
Isebenza kanjani i-Linux? I-Linux yakhelwe ukuthi ifane ne-UNIX, kodwa iye yavela ukuze isebenze ezinhlobonhlobo zezingxenyekazi zekhompuyutha kusukela kumafoni kuye kumakhompyutha amakhulu. Yonke i-OS esekwe ku-Linux ibandakanya i-Linux kernel-ephethe izinsiza zehadiwe-kanye nesethi yamaphakheji esoftware akha lonke uhlelo lokusebenza.
Kungani sisebenzisa i-Unix?
I-Unix iyisistimu yokusebenza. Isekela imisebenzi eminingi kanye nokusebenza kwabasebenzisi abaningi. I-Unix isetshenziswa kakhulu kuzo zonke izinhlobo zezinhlelo zekhompuyutha ezifana nedeskithophu, ilaptop, namaseva. Ku-Unix, kune-Graphical interface yomsebenzisi efana namawindi asekela ukuzulazula okulula nendawo esekelayo.
Isho ukuthini i-$@?
$@ icishe ifane nethi $* , kokubili okusho ukuthi "zonke izimpikiswano zomugqa womyalo". Avame ukusetshenziselwa ukuvele adlulisele zonke izingxabano kolunye uhlelo (ngaleyo ndlela kwakheka isisonga kulolo olunye uhlelo).
Lubizwa ngani uphawu ku-Unix?
Ngakho, ku-Unix, ayikho incazelo ekhethekile. Inkanyezi iwuhlamvu "olwesabekayo" kumagobolondo e-Unix futhi iyi-wildcard yanoma iyiphi inombolo yezinhlamvu (okuhlanganisa uziro). ? omunye uhlamvu oluvamile lwe-globbing, olufana ncamashi noyedwa wanoma yimuphi umlingisi. *.
Luyini uphawu lwedola ku-bash?
Uphawu lwedola $ (Oluguquguqukayo)
Uphawu lwedola ngaphambi kwento ekubakaki ngokuvamile lubhekisela kokuguquguqukayo. Lokhu kusho ukuthi lo myalo udlulisela impikiswano kulokho okuguquguqukayo kusuka kusikripthi se-bash noma uthola inani lalokho okuguquguqukayo kokuthile.
Ngiyithola kanjani i-dollar ngokushesha ku-Linux?
$ , # , % izimpawu zibonisa uhlobo lwe-akhawunti yomsebenzisi ongene kuyo.
- Uphawu lwedola ( $ ) lisho ukuthi ungumsebenzisi ojwayelekile.
- hashi ( # ) kusho ukuthi ungumqondisi wesistimu (impande).
- Kugobolondo elingu-C, umyalo uphetha ngophawu lwephesenti ( %).
5 unyaka. 2015 г.
Uyini umehluko phakathi kokuthi >> ku-Linux?
> isetshenziselwa ukubhala phezu ("i-clobber") ifayela futhi >> isetshenziselwa ukwengeza efayeleni. Ngakho-ke, uma usebenzisa i-ps aux > ifayela , okuphumayo kwe-ps aux kuzobhalwa kufayela futhi uma ifayela eliqanjwe igama selivele likhona, okuqukethwe kwalo kuzobhalwa ngaphezulu.
Liyini igobolondo le-$0?
$0 Inweba egameni legobolondo noma iskripthi segobolondo. Lokhu kusethwe ekuqalisweni kwegobolondo. Uma i-Bash icelwa ngefayela lemiyalo (bona Isigaba 3.8 [Izikripthi Zeshell], ikhasi 39), i-$0 isethwe egameni lalelo fayela.
Ngilazi kanjani igobolondo lami lamanje?
Indlela yokuhlola ukuthi yiliphi igobolondo engilisebenzisayo: Sebenzisa imiyalo elandelayo ye-Linux noma ye-Unix: ps -p $$ - Bonisa igama lakho legobolondo lamanje ngokuthembekile. echo "$SHELL" - Phrinta igobolondo lomsebenzisi wamanje kodwa hhayi ngempela igobolondo elisebenza ekuhambeni.
Iyini ukusetshenziswa kwegobolondo?
Igobolondo uhlelo olunhloso yalo eyinhloko kuwukufunda imiyalo nokusebenzisa ezinye izinhlelo. Izinzuzo eziyinhloko zegobolondo isilinganiso salo esiphezulu se-action-to-keystroke, ukusekelwa kwalo kokuzenzakalela kwemisebenzi ephindaphindwayo, namandla alo okufinyelela emishinini enenethiwekhi.