Yuav ua li cas nyeem ib kab lus tshwj xeeb hauv Unix?
Sau ib tsab ntawv bash los luam ib kab ntawm ib cov ntaub ntawv
- awk : $>awk '{if(NR==LINE_NUMBER) print $0}' file.txt.
- sed : $>sed -n LINE_NUMBERp file.txt.
- head : $>head -n LINE_NUMBER file.txt | tail -n + LINE_NUMBER Ntawm no LINE_NUMBER yog, kab xov tooj twg koj xav luam tawm. Piv txwv: Sau ib kab los ntawm ib daim ntawv.
Kuv yuav saib kab hauv Linux li cas?
6 Answers. If you’re looking for a GUI approach, you can display line numbers in the default text editor, gedit. To do this, go to Edit -> Preferences and tick the box that says “Display line numbers.” You can also jump to a specific line number by using Ctrl + I .
Kuv yuav ua li cas qhia cov kab nruab nrab hauv Linux?
Cov lus txib "head" yog siv los saib cov kab saum toj kawg nkaus ntawm cov ntaub ntawv thiab cov lus txib "tail" yog siv los saib kab ntawm qhov kawg.
Dab tsi yog kev siv awk hauv Linux?
Awk yog ib qho khoom siv uas ua rau tus programmer sau me me tab sis cov kev pab cuam zoo nyob rau hauv daim ntawv ntawm cov nqe lus uas txhais cov qauv ntawv uas yuav tsum tau tshawb nrhiav nyob rau hauv txhua kab ntawm cov ntaub ntawv thiab qhov yuav tsum tau ua thaum muaj kev sib tw hauv ib qho kab. Awk feem ntau yog siv rau qauv scanning thiab ua.
How do you read Top 10 lines in Unix?
Txhawm rau saib thawj ob peb kab ntawm cov ntaub ntawv, ntaus ntawv taub hau filename, qhov twg filename yog lub npe ntawm cov ntaub ntawv koj xav saib, thiab ces nias . Los ntawm lub neej ntawd, lub taub hau qhia koj thawj 10 kab ntawm cov ntaub ntawv. Koj tuaj yeem hloov qhov no los ntawm kev ntaus lub taub hau -number filename, qhov twg tus lej yog tus lej ntawm kab koj xav pom.
Kuv yuav nrhiav tau Top 10 cov ntaub ntawv hauv Linux li cas?
Hais Kom Pom Kom Loj Tshaj Li 10 Cov Ntaub Ntawv Loj Tshaj Plaws Hauv Linux
- Du hais kom ua -h xaiv: tso saib qhov ntau thiab tsawg ntawm tib neeg cov ntawv nyeem tau, hauv Kilobytes, Megabytes thiab Gigabytes.
- du hais kom ua -s kev xaiv: Qhia tag nrho rau txhua nqe lus.
- du hais kom ua -x xaiv: Hla cov npe. …
- xaiv qhov kev xaiv -r xaiv: Rov qab los ntawm kev sib piv.
Kuv yuav sau thawj 10 cov ntaub ntawv hauv Linux li cas?
cov ls txib txawm muaj kev xaiv rau qhov ntawd. Txhawm rau sau cov ntaub ntawv ntawm ob peb kab li sai tau, koj tuaj yeem siv -format = comma cais cov npe cov ntaub ntawv nrog commas raws li hauv cov lus txib no: $ ls -format = comma 1, 10, 11, 12, 124, 13, 14, 15, 16 pgs-xav.
How do you grep multiple lines?
Yuav ua li cas kuv grep rau ntau tus qauv?
- Siv ib qho lus hais hauv tus qauv: grep 'pattern *' file1 file2.
- Tom ntej no siv txuas cov kab lus tsis tu ncua: egreg 'pattern1|pattern2' * . py.
- Thaum kawg, sim cov laus Unix plhaub/oses: grep -e pattern1 -e pattern2 *. pl.
- Lwm qhov kev xaiv rau grep ob txoj hlua: grep 'word1|word2' input.
Kuv siv nrhiav hauv Linux li cas?
Cov lus txib nrhiav yog siv los tshawb nrhiav thiab nrhiav cov npe ntawm cov ntaub ntawv thiab cov npe raws li cov xwm txheej uas koj tau teev tseg rau cov ntaub ntawv uas phim cov lus sib cav. nrhiav cov lus txib tuaj yeem siv ntau yam xws li koj tuaj yeem nrhiav cov ntaub ntawv los ntawm kev tso cai, cov neeg siv, pawg, hom ntaub ntawv, hnub tim, qhov loj me, thiab lwm yam ua tau.
PS EF hais kom ua hauv Linux yog dab tsi?
Cov lus txib no yog siv los nrhiav PID (Process ID, Cim tus lej ntawm cov txheej txheem) ntawm cov txheej txheem. Txhua tus txheej txheem yuav muaj tus lej tshwj xeeb uas hu ua PID ntawm cov txheej txheem.