Ho sheba mela e 'maloa ea ho qetela ea faele, sebelisa taelo ea mohatla. mohatla o sebetsa ka tsela e tšoanang le ea hlooho: thaepa mohatla le filename ho bona mela e 10 ea ho qetela ea faele eo, kapa thaepa mohatla -number filename ho bona mela ea ho qetela ea faele.
Ke bona mela e 10 ea ho qetela ea faele ho Linux joang?
Linux mohatla taelo ea syntax
Mohatla ke taelo e hatisang palo e seng kae ea ho qetela ea mela (mela e 10 ka ho sa feleng) ea faele e itseng, ebe e felisa. Mohlala 1: Ka tloaelo "mohatla" o hatisa mela e 10 ea ho qetela ea faele, ebe oa tsoa. kamoo u ka bonang kateng, sena se hatisa mela e 10 ea ho qetela ea / var / log / melaetsa.
Ke batla mohala joang ka faele ho Linux?
Ngola bash script ho hatisa mola o itseng ho tsoa faeleng
- awk : $>awk '{ha(NR==LINE_NUMBER) hatisa $0}' file.txt.
- sed : $>sed -n LINE_NUMBERp file.txt.
- hlooho : $>hlooho -n LINE_NUMBER file.txt | mohatla -n + LINE_NUMBER Mona LINE_NUMBER ke, nomoro ea mohala eo u batlang ho e hatisa ke efe. Mehlala: Hatisa mola ho tsoa faeleng e le 'ngoe.
Ke etsa lethathamo la lifaele tsa pele tse 10 ho Linux joang?
The taelo ea ls esita le na le dikgetho bakeng sa seo. Ho thathamisa lifaele meleng e fokolang kamoo ho ka khonehang, u ka sebelisa -format=comma ho arola mabitso a lifaele ka lipheela joalo ka taelong ena: $ ls -format=comma 1, 10, 11, 12, 124, 13, 14, 15, 16pgs-sebaka.
Ke tsamaisa palo ea mela ho Unix joang?
U ka e sebelisa folakha -l ho bala mela. Tsamaisa lenaneo ka mokhoa o tloaelehileng 'me u sebelise phala ho lebisa ho wc. Ntle le moo, o ka tsamaisa tlhahiso ea lenaneo la hau ho faele, re re calc. out , 'me u tsamaise wc faeleng eo.
U bontša palo ea mela e faeleng joang ho Linux?
Mokhoa oa ho bala mela faeleng ho UNIX/Linux
- Taelo ea "wc -l" ha e tsamaisoa faeleng ena, e hlahisa palo ea mela hammoho le lebitso la faele. $ wc -l file01.txt 5 file01.txt.
- Ho siea lebitso la faele sephethong, sebelisa: $ wc -l <file01.txt 5.
- U ka lula u fana ka tlhahiso ea taelo ho taelo ea wc u sebelisa pipe. Ka mohlala:
Ke bala palo ea mela efe faeleng ea Linux joang?
Mokhoa o bonolo ka ho fetisisa oa ho bala palo ea mela, mantsoe le litlhaku faeleng ea mongolo ke ho sebelisa taelo ea Linux "wc" ho terminal. Taelo "wc" ha e le hantle e bolela "palo ea mantsoe" 'me ka mekhahlelo e fapaneng ea boikhethelo motho a ka e sebelisa ho bala palo ea mela, mantsoe le litlhaku faeleng ea mongolo.
Ke grep mola joang ho tsoa faeleng?
Taelo ea grep e batlisisa faeleng, e batlana le lipaterone tse boletsoeng. Ho e sebelisa thaepa grep , ebe mohlala oo re o batlang le qetellong lebitso la faele (kapa lifaele) tseo re ntseng re li batla. Sephetho ke mela e meraro faeleng e nang le litlhaku 'che'.
Taelo ea ho bonts'a mela ea pele e 10 ea faele ho Linux ke efe?
Taelo ya hlooho, joalo ka ha lebitso le bolela, hatisa nomoro ea holimo ea N ea data e kentsoeng. Ka kamehla, e hatisa mela e 10 ea pele ea lifaele tse boletsoeng. Haeba ho fanoa ka mabitso a fetang a le mong, data e tsoang faeleng ka 'ngoe e etelloa pele ke lebitso la faele ea eona.
Ke fumana lifaele tse 10 tse holimo joang ho Linux?
Laela ho Fumana Lifaele tse 10 Holimo ho Linux
- ea taelo -h kgetho: lifaele tse bontšang boitsebiso bo ka baloang, li-Kilobytes, Megabytes le Gigabytes.
- ea taelo -s kgetho: Bontša kakaretso bakeng sa khang ka 'ngoe.
- du command -x khetho : Tlola li-directory. …
- Khetha mofuta oa khetho -a kgetho: Folla liphello tsa litšoantšiso.
Taelo ea ho sheba faele ho Unix ke efe?
Linux le Unix Taelo ea ho Sheba Faele
- taelo ea katse.
- taelo e fokolang.
- taelo e eketsehileng.
- taelo ea gnome-open kapa xdg-open command (generic version) kapa taelo ea kde-open (kde version) - Linux gnome/kde desktop taelo ea ho bula faele leha e le efe.
- taelo e bulehileng - taelo e tobileng ea OS X ea ho bula faele efe kapa efe.