Ukwenza imiyalo ibe lula ukuyiqonda, sebenzisa uhlamvu lwegobolondo lokuphunyuka, okuyi-backslash, ukuze uqhubeke nomyalo emugqeni olandelayo.
Ngiqhubeka kanjani nomugqa ku-Linux?
Amafayela e-Linux, Abasebenzisi, kanye Nokwenza Ngokwezifiso I-Shell nge-Bash
Uma ufuna ukunqamula umyalo ukuze ulingane emugqeni ongaphezu kowodwa, sebenzisa i i-backslash () njenge umlingiswa wokugcina emgqeni. U-Bash uzophrinta ukwaziswa kokuqhubeka, ngokuvamile okuthi >, ukukhombisa ukuthi lokhu ukuqhubeka komugqa wangaphambilini.
Uyini umyalo wokuphinda ku-Linux?
1. Sebenzisa iwashi Umyalo. Iwashi iwumyalo we-Linux okuvumela ukuthi wenze umyalo noma uhlelo ngezikhathi ezithile futhi ikubonise okukhiphayo esikrinini. Lokhu kusho ukuthi uzokwazi ukubona okukhiphayo kohlelo ngesikhathi. Ngokuzenzakalelayo iwashi liqalisa kabusha i- umyalo/uhlelo njalo ngemizuzwana emi-2.
Uya kanjani kulayini olandelayo ku-bash?
Kusuka ku-bash manual: Umlingiswa we-backslash ” ingasetshenziswa ukususa noma iyiphi incazelo ekhethekile kuhlamvu olulandelayo olufundiwe kanye nokuqhubeka komugqa. Okuhlukile, kodwa okuhlobene, ukuqhubeka okungacacile kwangaphakathi kwezingcaphuno. Kulesi simo, ngaphandle kokuhlehla, uvele wengeze umugqa omusha ochungechungeni.
Yiziphi izinhlamvu ezikhethekile ku-Linux?
Abalingiswa <, >, |, kanye & ziyizibonelo ezine zezinhlamvu ezikhethekile ezinezincazelo ezithile egobolondweni. Amakhadi asendle esiwabone ekuqaleni kwalesi sahluko (*, ?, kanye […]) nawo ayizinhlamvu ezikhethekile. Ithebula 1.6 linikeza izincazelo zazo zonke izinhlamvu ezikhethekile ngaphakathi kwemigqa yomyalo wegobolondo kuphela.
Ungayengeza kanjani ikhefu lomugqa ku-Unix?
Uhlamvu olusha olusetshenziswa kakhulu
Uma ungafuni ukusebenzisa i-echo ngokuphindaphindiwe ukuze udale imigqa emisha kusikripthi segobolondo lakho, ungasebenzisa uhlamvu n. I-n iwuhlamvu olusha lwezinhlelo ezisekelwe ku-Unix; kusiza ukusunduza imiyalo eza ngemva kwayo emgqeni omusha. Isibonelo singezansi.
Uwuqeda kanjani umugqa ku-Unix?
Amafayela ombhalo adalwe emishinini ye-DOS/Windows aneziphetho zomugqa ezihlukile kunamafayela adalwe ku-Unix/Linux. I-DOS isebenzisa ukubuyisela ikalishi kanye nokuphakelayo komugqa (“rn”) njengesiphetho somugqa, esetshenziswa yi-Unix okuphakelayo komugqa nje (“n”).
Ngiwusebenzisa kanjani umyalo izikhathi eziyi-10 kuLinux?
I-syntax yile:
- ## sebenzisa umyalo izikhathi eziyi-10 kimi ku-{1.. …
- okwami ngo-{1.. …
- ngoba ((n=0;n<5;n++)) yenza umyalo1 umyalo2 wenziwa. …
- ## chaza inani lokugcina ## END=5 ## idethi yokuphrinta izikhathi ezinhlanu ## x=$END kuyilapho [ $x -gt 0]; yenza idethi x=$(($x-1)) eyenziwe.
Ngiwubuka kanjani umyalo ku-Linux?
kusetshenziswa umyalo wokubuka ku-Linux ukwenza uhlelo ngezikhathi ezithile, ebonisa okukhiphayo kusikrini esigcwele. Lo myalo uzosebenzisa umyalo oshiwo ku-agumenti ngokuphindaphindiwe ngokubonisa okukhiphayo namaphutha. Ngokuzenzakalelayo, umyalo oshiwo uzosebenza njalo kumasekhondi angu-2 futhi iwashi lizosebenza lize liphazamiseke.
Uyisebenzisa kanjani imiyalo yokuphinda?
Ukuphinda into elula, njengokusebenza kokunamathisela, cindezela Ctrl+Y noma F4 (Uma i-F4 ibonakala ingasebenzi, ungase udinge ukucindezela ukhiye we-F-Lock noma u-Fn Key, bese u-F4). Uma ukhetha ukusebenzisa igundane, chofoza okuthi Phinda kubha yamathuluzi yokufinyelela ngokushesha.
Unanela kanjani ku-New Line?
Ukusebenzisa i-echo
Note i-echo ingeza n ekugcineni komusho ngamunye ngokuzenzakalelayo noma sisebenzisa u-e noma cha. I- -e inketho ingase ingasebenzi kuwo wonke amasistimu nezinguqulo. Ezinye izinguqulo ze-echo zingaphrinta -e njengengxenye yokuphuma kwazo.
Uwuqala kanjani umugqa omusha ku-terminal ye-Linux?
Noma, esikhundleni sokuthayipha u-Enter , ungakwazi thayipha u-Ctrl-V Ctrl-J . Ngaleyo ndlela, uhlamvu lomugqa omusha (aka ^J ) lufakwa ngaphandle kokuthi isilondolozi samanje samukelwe, futhi ungabuyela emuva ekuhleleni umugqa wokuqala ngokuhamba kwesikhathi.
Ngizithola kanjani izinhlamvu ezikhethekile ku-Linux?
1 Impendulo. indoda i-grep : -v, -invert-match Guqula umqondo wokufanisa, ukuze ukhethe imigqa engahambelani. -n, -line-number Isiqalo umugqa ngamunye wokukhiphayo ngenombolo yomugqa osuselwe ku-1 ngaphakathi kwefayela lawo lokufaka.
Ngizisebenzisa kanjani izinhlamvu ezikhethekile ku-Linux?
Ukufaka uhlamvu ngephoyinti layo lekhodi, cindezela u-Ctrl + Shift + U , bese uthayipha ikhodi enezinhlamvu ezine bese ucindezela u-Space noma u-Enter . Uma uvamise ukusebenzisa izinhlamvu ongakwazi ukufinyelela kuzo kalula ngezinye izindlela, ungase ukuthole kuwusizo ukubamba ngekhanda iphuzu lekhodi lalezo zinhlamvu ukuze ukwazi ukuzifaka ngokushesha.
Ngizibhala kanjani izinhlamvu ezikhethekile?
Ifaka izinhlamvu ze-ASCII
Ukufaka uhlamvu lwe-ASCII, cindezela bese ubamba i-ALT ngenkathi uthayipha ikhodi yezinhlamvu. Isibonelo, ukufaka uphawu lwe-degree (º), cindezela bese ubamba i-ALT ngenkathi uthayipha u-0176 kukhiphedi yezinombolo. Kufanele usebenzise ikhiphedi yezinombolo ukuthayipha izinombolo, hhayi ikhibhodi.