Ukwenza lokhu, cindezela u-Esc , thayipha inombolo yomugqa, bese ucindezela u-Shift-g . Uma ucindezela u-Esc bese u-Shift-g ngaphandle kokucacisa inombolo yomugqa, kuzokuyisa kulayini wokugcina efayelini.
Ngingena kanjani emugqeni othize efayeleni ku-Linux?
Bhala i-bash script ukuze uphrinte umugqa othile efayeleni
- awk : $>awk '{if(NR==LINE_NUMBER) phrinta $0}' file.txt.
- sed : $>sed -n LINE_NUMBERp file.txt.
- ikhanda : $>head -n LINE_NUMBER file.txt | umsila -n + LINE_NUMBER Nansi i-LINE_NUMBER, iyiphi inombolo yomugqa ofuna ukuyiphrinta. Izibonelo: Phrinta umugqa kusuka efayeleni elilodwa.
Uya kanjani emgqeni othile?
Nge-Notepad++, Kumafasitela, sebenzisa Ctrl+g ukuya kulayini othize.
Uya kanjani emgqeni othile ngokuncane?
Ukuze uye ekugcineni, cindezela usonhlamvukazi G. Ukuze uye emgqeni othile, faka inombolo ngaphambi kokucindezela izinkinobho ze-g noma ze-G.
Ngiyenza kanjani i-grep inombolo ethile yomugqa ku-Unix?
Inketho ye -n ( noma -line-number ) itshela u-grep ukuthi abonise inombolo yomugqa wemigqa equkethe iyunithi yezinhlamvu efana nephethini. Uma le nketho isetshenziswa, i-grep iphrinta okufanayo kokuphumayo okujwayelekile okufakwe kuqala ngenombolo yomugqa. Umphumela ongezansi usikhombisa ukuthi okufanayo kutholakala kulayini 10423 no-10424.
Ngiyikhombisa kanjani imigqa yokuqala eyi-10 yefayela ku-Linux?
Thayipha umyalo wekhanda olandelayo ukuze ubonise imigqa yokuqala eyi-10 yefayela elibizwa ngokuthi “bar.txt”:
- ikhanda -10 bar.txt.
- ikhanda -20 bar.txt.
- sed -n 1,10p /etc/group.
- sed -n 1,20p /etc/group.
- awk 'FNR <= 10' /etc/passwd.
- awk 'FNR <= 20' /etc/passwd.
- perl -ne'1..10 bese uphrinta' /etc/passwd.
- perl -ne'1..20 bese uphrinta' /etc/passwd.
Uwufunda kanjani umugqa we-nth ku-Unix?
Ngezansi kunezindlela ezintathu ezinhle zokuthola umugqa we-nth wefayela ku-Linux.
- ikhanda / umsila. Ukusebenzisa nje inhlanganisela yemiyalo yekhanda nomsila cishe kuyindlela elula kakhulu. …
- sed. Kunezindlela ezimbalwa ezinhle zokwenza lokhu nge-sed. …
- awu. I-awk ine-NR eyakhelwe ngaphakathi egcina umkhondo wezinombolo zemigqa yefayela/yokusakaza.
Imuphi umyalo osiza ukweqa imigqa?
I-Word ikuvumela ukuthi uhambise iphuzu lokufaka kunoma iyiphi inombolo yomugqa kudokhumenti yakho ngokusebenzisa umyalo othi Hamba. Lokhu kungaba usizo kakhulu, ikakhulukazi uma unezinombolo zolayini ezivuliwe kudokhumenti yakho. Ukuze usebenzise leli khono lokugxumela enombolweni ethile yomugqa, landela lezi zinyathelo: Cindezela F5.
Ngizikhombisa kanjani izinombolo zomugqa ku-vi?
Ungabonisa kanjani imigqa kusihleli sombhalo we-vi noma we-vim
- Cindezela ukhiye we-ESC.
- Uhlobo : (ikholoni)
- Faka umyalo olandelayo ukukhombisa imigqa ku-vi/vim: setha inombolo.
- Manje ungabona izinombolo zomugqa ohlangothini lwesobunxele lwesikrini somhleli wombhalo we-vi/vim.
Uthini umyalo wokuvezwa kohlu lwamafayela?
Bona izibonelo ezilandelayo:
- Ukufaka ohlwini wonke amafayela ohlwini lwemibhalo lwamanje, thayipha okulandelayo: ls -a Lokhu kuklelisa wonke amafayela, kuhlanganisa. ichashazi (.)…
- Ukuze ubonise imininingwane enemininingwane, thayipha okulandelayo: ls -l chap1 .profile. …
- Ukuze ubonise ulwazi oluningiliziwe mayelana nohla lwemibhalo, thayipha okulandelayo: ls -d -l .
Ulifunda kanjani ifayela ku-Linux?
Nazi ezinye izindlela eziwusizo zokuvula ifayela kutheminali:
- Vula ifayela usebenzisa umyalo wekati.
- Vula ifayela usebenzisa umyalo omncane.
- Vula ifayela usebenzisa umyalo owengeziwe.
- Vula ifayela usebenzisa umyalo we-nl.
- Vula ifayela usebenzisa umyalo we-gnome-open.
- Vula ifayela usebenzisa umyalo wekhanda.
- Vula ifayela usebenzisa umyalo womsila.
Ngisesha kanjani ngisebenzisa okuncane?
Hambisa phezulu ukuze uthole inombolo ethile yemigqa, ngokuthayipha inombolo elandelwa ukhiye u-b. Uma ufuna ukucinga iphethini, thayipha i-slash phambili ( / ) elandelwa iphethini ofuna ukuyicinga. Uma usushaye u-Enter kancane izosesha phambili okufanayo.