Ukujonga imigca embalwa yokugqibela yefayile, sebenzisa umyalelo womsila. umsila usebenza ngendlela efanayo nentloko: chwetheza umsila kunye negama lefayile ukubona imigca eli-10 yokugqibela yaloo fayile, okanye chwetheza umsila -inombolo yegama lefayile ukubona inani lokugqibela lemigca yefayile.
Ndiyibona njani imigca eli-10 yokugqibela yefayile kwiLinux?
Linux umsila womyalelo wesintaksi
Tail is a command which prints the last few number of lines (10 lines by default) of a certain file, then terminates. Example 1: By default “tail” prints the last 10 lines of a file, then exits. as you can see, this prints the last 10 lines of / var / log / imiyalezo.
Ndiwukhangela njani umgca ngefayile kwiLinux?
Bhala umbhalo we-bash ukuprinta umgca othile kwifayile
- awk : $>awk '{ukuba(NR==LINE_NUMBER) shicilela $0}' file.txt.
- sed : $>sed -n LINE_NUMBERp file.txt.
- intloko : $>intloko -n LINE_NUMBER ifayile.txt | umsila -n + LINE_NUMBER Apha LINE_NUMBER yi, yeyiphi inombolo yomgca ofuna ukuyiprinta. Imizekelo: Shicilela umgca kwifayile enye.
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.
Ndilithumela njani kwakhona inani lelayini kwi-Unix?
Ungayisebenzisa i -l iflegi ukubala imigca. Qhuba inkqubo ngokwesiqhelo kwaye usebenzise umbhobho ukwalathisa kwakhona kwi-wc. Kungenjalo, ungathumela imveliso yenkqubo yakho kwifayile, yithi calc. out , kwaye usebenzise i-wc kuloo fayile.
Ulibonisa njani inani lelayini kwifayile kwiLinux?
Ubala njani imigca kwifayile kwi UNIX/Linux
- Umyalelo othi "wc -l" xa uqhutywa kule fayile, ukhupha ubalo lomgca kunye negama lefayile. $ wc -l file01.txt 5 file01.txt.
- Ukushiya igama lefayile kwisiphumo, sebenzisa: $ wc -l < file01.txt 5.
- Ungasoloko unikezela ngemveliso yomyalelo kumyalelo we-wc usebenzisa umbhobho. Umzekelo:
Ndilibala njani inani lelayini kwifayile kwiLinux?
Eyona ndlela ilula yokubala inani lemigca, amagama, kunye nabalinganiswa kwifayile yokubhaliweyo kukusebenzisa Umyalelo weLinux "wc" kwi-terminal. Umyalelo othi “wc” ngokusisiseko uthetha “ubalo lwamagama” kunye neeparamitha ezahlukeneyo ozikhethelayo umntu unokuzisebenzisa ukubala inani lemigca, amagama, kunye noonobumba kwifayile yokubhaliweyo.
Ndiwenza njani umgca kwifayile?
Umyalelo we-grep uphendla kwifayile, ujonge iimatshisi kwipateni ekhankanyiweyo. Ukuyisebenzisa chwetheza grep , emva koko ipateni esiyikhangelayo kunye ekugqibeleni igama lefayile (okanye iifayile) sikhangela kuzo. Imveliso yilayini ezintathu kwifayile equlathe oonobumba 'hayi'.
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.
Ndizifumana njani iifayile ezili-10 eziphezulu kwiLinux?
Umyalelo wokufumana iiFayile eziPhezulu eziLikhulu kwiLinux
- I-command -h inketho: ukubonisa ifayile kwifom yefomathi efundekayo, kwii-Kilobyte, i-Megabytes kunye neGigabyte.
- ye-command-option: Bonisa inani elipheleleyo kwiingxabano.
- du umyalelo -x ukhetho : Tsiba abalawuli. …
- ukukhetha umyalelo -okhetho: Ukuguqula umphumo wokuthelekiswa.
Uthini umyalelo wokujonga ifayile kwi Unix?
I-Linux kunye nomyalelo we-Unix wokuJonga iFayile
- ikati umyalelo.
- umyalelo omncinci.
- umyalelo ongaphezulu.
- gnome-vula umyalelo okanye xdg-vula umyalelo (uguqulelo jikelele) okanye kde-vula umyalelo (uguqulelo lwekde) – Linux gnome/kde umyalelo wedesktop ukuvula nayiphi na ifayile.
- vula umyalelo-umyalelo othile we-OS X wokuvula nayiphi na ifayile.