How do you display the 10th line of a file in Unix?
Ngezantsi kukho iindlela ezintathu ezilungileyo zokufumana umgca we-nth wefayile kwi-Linux.
- intloko / umsila. Ukusebenzisa ngokulula indibaniselwano yemiyalelo yentloko nomsila yeyona ndlela ilula. …
- sed. Kukho iindlela ezimbalwa ezintle zokwenza oku nge sed . …
- awk. i-awk ine-NR eyakhelweyo eyakhiweyo egcina umkhondo wefayile/amanani omqolo womsinga.
Ndidwelisa njani iifayile ezili-10 zokuqala kwiLinux?
The Umyalelo nokuba ineenketho zaloo nto. Ukudwelisa iifayile kwimigca embalwa kangangoko kunokwenzeka, ungasebenzisa -format=comma ukwahlula amagama eefayile ngeekoma njengakulo myalelo: $ ls -format=comma 1, 10, 11, 12, 124, 13, 14, 15, 16pgs-imbonakalo-mhlaba.
Uthini umyalelo wokubonisa iilayini ezili-10 zokuqala zefayile kwiLinux?
Umyalelo oyintloko, njengoko igama lisitsho, printa inani eliphezulu le-N ledatha yegalelo elinikiweyo. Ngokungagqibekanga, iprinta iilayini ezili-10 zokuqala zeefayile ezikhankanyiweyo. Ukuba ngaphezu kwegama elinye lefayile linikezelwe ngoko idatha kwifayile nganye ilandelwa igama layo lefayile.
Singena njani ekuqaleni komgca?
Ukujonga ekuqaleni komgca osetyenziswayo: "CTRL+a". Ukuhamba uye ekupheleni komgca osetyenziswayo: "CTRL + e".
Yintoni umyalelo wentloko?
The head command is a command-line utility for outputting the first part of files given to it via standard input. It writes results to standard output. By default head returns the first ten lines of each file that it is given.
Uyisebenzisa njani intloko?
Usetyenziswa njani Umyalelo weNtloko
- Ngenisa umyalelo wentloko, ulandelwa yifayile ongathanda ukuyijonga: head/var/log/auth.log. …
- Ukutshintsha inani lelayini ebonisiweyo, sebenzisa i -n ukhetho: intloko -n 50 /var/log/auth.log.
Ndiyifunda njani ifayile yokubhaliweyo kwi Unix?
Sebenzisa ilayini yomyalelo ukuya kwi-Desktop, emva koko chwetheza ikati myFile. txt . Oku kuya kuprinta imixholo yefayile kumgca wakho womyalelo. Le yingcamango efanayo nokusebenzisa i-GUI ukucofa kabini kwifayile yokubhaliweyo ukuze ubone imixholo yayo.
Yintoni i-NR kumyalelo we-awk?
I-NR yi-AWK eyakhelwe-ngaphakathi eguquguqukayo kwaye yona Ichaza inani leerekhodi eziqhutywayo. Usetyenziso : I-NR ingasetyenziswa kwibhloko yentshukumo imele inani lomgca ocutshungulwayo kwaye ukuba isetyenziswe kwi-END inokushicilela inani lelayini eqhutywe ngokupheleleyo. Umzekelo : Ukusebenzisa i-NR ukuprinta inombolo yomgca kwifayile usebenzisa i-AWK.
Ndiyifumana njani inombolo yomgca kwi-Unix?
Ukuba sele ukwi vi, ungasebenzisa i goto umyalelo. Ukwenza oku, cofa u-Esc, chwetheza inombolo yomgca, kwaye emva koko cofa Shift-g . Ukuba ucinezela u-Esc kwaye emva koko Shift-g ngaphandle kokuchaza inombolo yomgca, iyakusa kumgca wokugqibela kwifayile.