Keɓewa ga ayyukan da kuke gudanarwa a cikin Bash

Wasu lokuta muna buƙatar aiwatar da umarni, misali canza izinin izini na babban fayil da abubuwan da ke ciki, duk da haka muna son wannan canjin BA za a yi amfani da shi zuwa takamaiman fayil ba, ko zuwa takamaiman fayil ɗin ... koda kuwa yana cikin babban fayil ɗin da ke sama shi.wanda muke aiwatar da umarnin.

Don ƙarin fahimtar sa, Ina da babban fayil (archives) kuma a ciki fayiloli 4 (doc.txt, file.mp4, list.txt da thesis.doc), Ina so in canza izinin waɗancan fayiloli ta yadda mai shi ne kawai zai iya isa gare shi, yi hakan sai dai tare da shi jerin.txt, cewa ina son kowa ya iya gani, wato kada su canza izininsu.

Takaitawa:

• doc.txt, file.mp4 da thesis.doc KADAI mai shi zai iya kallon su
• list.txt kowa na iya gani, ma'ana, bana son izininsu ya banbanta.

Don cimma wannan zan iya canza izini ga duk fayiloli sannan kuma in canza izini zuwa list.txt don ta sami su kamar da. Wannan zai zama layuka biyu ... amma, kamar yadda kusan koyaushe a cikin Linux, akwai hanyar haɓaka 😉

Bari mu ga yadda:

1. Don canza izini wanda mai shi kawai zai iya samun dama za mu yi amfani da: 700
2. Don canza izini a kan duk fayiloli a cikin wannan babban fayil (Na tuna ana kiranta: fayiloli) za mu yi amfani da: bayanai /
3. Don ware file.txt zamuyi amfani da: /! (list.txt)

Watau, umarnin karshe zai kasance:

chmod 700 archivos/!(lista.txt)

Yana da sauƙin, a nan akwai hotunan izini a gaban fayiloli a cikin wannan babban fayil, aiwatar da umarnin, sannan kuma yadda izini suke:

Idan muna son ware fayil sama da ɗaya, misali jerin.txt da rubutun.doc , zamu iya raba waɗancan fayiloli tare da | Is wannan shine:

chmod 700 archivos/!(lista.txt|tesis.doc)

Menene sauki? 😀

Da kyau, babu wani abin da za a kara, abu ne mai sauki amma yayin aiki da manyan bayanai, zai iya karewa 😉