Lamulo la chmod ku Linux

Sinthani zilolezo za fayilo ku mzere wa lamulo la Linux

Lamulo la chmod (kutanthauzira kusintha mode) limakupatsani inu zilolezo zopezeka kwa mafayilo ndi mafoda.

Lamulo la chmod, monga malamulo ena, lingathe kuperekedwa kuchokera ku mzere wa lamulo kapena kudzera pa fayilo ya script.

Ngati mukufuna kulemba zilolezo za fayilo, mungagwiritse ntchito ls command .

Chmod Command Syntax

Ili ndilo liwu loyenera pamene mukugwiritsa ntchito lamulo la chmod:

chmod [zosankha] mafilimu [, mafilimu] file1 [file2 ...]

Zotsatirazi ndi zina mwazomwe mungagwiritse ntchito ndi chmod:

• -f, -silent, --quiet (imatsitsa mauthenga ambiri olakwika)
• -v, - kubwereza (kuyambitsa matenda a fayilo iliyonse)
• -c, --changes (monga verbose koma malipoti pokhapokha kusintha kusinthidwa)
• -R, - zovuta (kusintha mafayilo ndi mauthenga obwerezabwereza)
• --help (amasonyeza thandizo ndi kuchoka)
• --version (zotsatira za mauthenga ndi mauthenga)

M'munsimu muli mndandanda wa zilolezo zingapo zomwe zingagwiritsidwe ntchito kwa wosuta, gulu, ndi wina aliyense pa kompyuta. Pafupi ndi chiwerengero ndizofanana ndi kalata yowerengera / kulemba / yochita.

• 7, rwx, werengani, lembani, ndipo yesani
• 6, rw-, werengani ndi kulemba
• 5, rx, werengani ndi kuchita
• 4, r-, werengani kokha
• 3, -wx, lemba ndi kupha
• 2, -w-, lembani zokha
• 1, --x, yesani yekha
• 0, ---, palibe

Zitsanzo za Command Chmod

Ngati, mwachitsanzo, mukufuna kusintha zilolezo za fayilo "otsogolera" kotero kuti aliyense azikhala nawo, mungalowe:

anthu 777 omwe ali nawo

Yoyamba 7 imapereka zilolezo kwa wogwiritsa ntchito, yachiwiri 7 imaika zilolezo za gululo, ndipo lachitatu ndilo limapatsa zilolezo kwa wina aliyense.

Ngati mukufuna kukhala okhawo amene angathe kuzilandira, mungagwiritse ntchito:

anthu okwana 700

Kuti mudzipatse nokha komanso mamembala a gulu lanu mwayi wopezeka:

otsogolera 770

Ngati mukufuna kusunga nokwanira, koma mukufuna kuti anthu ena asasinthe fayilo, mungagwiritse ntchito:

chmod 755 ophunzira

Zotsatirazi zimagwiritsa ntchito makalata ochokera pamwamba kuti zisinthe zilolezo za "ophunzira" kuti mwiniyo akhoze kuwerenga ndi kulemba ku fayilo, koma samasintha zilolezo kwa wina aliyense:

Otsutsana ndi otsogolera

Zambiri Zambiri pa lamulo la chmod

Mukhoza kusintha umwini wa mafayilo ndi mafoda omwe alipo ndi lamulo la chgrp. Sinthani gulu losasintha la mafayilo ndi mafoda atsopano ndi lamulo latsopano.

Kumbukirani kuti maulendo ophiphiritsira omwe amagwiritsidwa ntchito mu lamulo la chmod adzakhudza chinthu chenichenicho, chomwe chilipo.