Cov lus ceeb toom Linux hais sau cov lus txib dua, tso tawm nws cov lus tso tawm (thawj screenful). Qhov no tso cai rau koj saib xyuas qhov kev tso zis tawm hauv lub sij hawm. Yog lub neej ua ntej, qhov kev zov me nyuam khiav txhua 2 vib nas this; siv -n los yog -interval los qhia kom paub lub caij nyoog txawv.
Cov chij los yog -differences chij yuav qhia qhov sib txawv ntawm cov kev hloov tshiab. Cov kev xaiv - ua qhov kev tsim ua qhov "nplaum", qhia txog kev ua haujlwm ntawm txhua txoj haujlwm uas tau hloov.
Saib yuav khiav mus txog ntua.
Synopsis ntawm lub Linux Watch hais kom ua
saib [-rv] [-n
Lus Cim
Nco ntsoov tias cov lus txib raug muab rau "sh -c" uas txhais tau hais tias koj yuav tsum tau siv cov lus qhia ntxiv kom tau qhov kev xav tau.
Nco ntsoov tias POSIX kev xaiv ua yog siv (ie, kev xaiv ua tsis tau ntawm qhov kev xaiv thawj zaug tsis xaiv). Qhov no txhais tau hais tias chij tom qab hais kom ua tsis tau txhais los ntawm saib nws tus kheej.
Piv txwv ntawm txoj kev saib Linux
Yog xav saib xyuas, koj tuaj yeem ua:
saib -n 60 ntawm
Yog xav saib cov ntsiab lus ntawm cov kev hloov hauv directory, koj tuaj yeem siv tau:
saib-d ls -l
Yog tias koj tsuas xav tau cov ntaub ntawv muaj los ntawm tus neeg siv joe, koj yuav siv:
saib-d 'ls -l | fgrep joe '
Yog xav pom cov teebmeem ntawm quoting, sim ua cov hauv qab no:
saib echo $$
saib echo '$$'
saib echo "'"' $$ '' '
Tseem ceeb: Siv tus txiv neej hais kom ua ( % tus txiv neej ) seb qhov kev hais kom raug siv hauv koj lub computer.