$ Is-Itotal 4-rw-rw-r-- 1 student student 138 Jun 8 13:15 foo.txtWhich command would change the permissions of the above file foo.txt to rw-------?chmod o-rw foo.txtchmod og-rw foo.txtchmod a-rw sample.txtchmod u-rw foo.txt $ ls -1total 4-rw-rw-r-- 1 student student 138 Jun 8 13:15 foo.shWhich command would change the permissions of the above file foo.sh to rwxrwxr-x?chmod a+rw foo.shchmod a+x foo.shBoth C and Dchmod x+a foo.shchmod go+x foo.sh

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$Is-1 total 4 -rw-rw-r-- 1 student student 138 Jun 8 13:15 foo.txt Which command would change the permissions of the above file foo.txt to rw---- chmod o-rw foo.txt chmod og-rw foo.txt chmod a-rw sample.txt chmod u-rw foo.txt

$Is-1 total 4 -rw-rw-r-- 1 student student 138 Jun 8 13:15 foo.txt Which command would change the permissions of the above file foo.txt to rw---- chmod o-rw foo.txt chmod og-rw foo.txt chmod a-rw sample.txt chmod u-rw foo.txt

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

$ Is-I
total 4
-rw-rw-r-- 1 student student 138 Jun 8 13:15 foo.txt
Which command would change the permissions of the above file foo.txt to rw-------?
chmod o-rw foo.txt
chmod og-rw foo.txt
chmod a-rw sample.txt
chmod u-rw foo.txt

$ ls -1
total 4
-rw-rw-r-- 1 student student 138 Jun 8 13:15 foo.sh
Which command would change the permissions of the above file foo.sh to rwxrwxr-x?
chmod a+rw foo.sh
chmod a+x foo.sh
Both C and D
chmod x+a foo.sh
chmod go+x foo.sh

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