a. Write a command to change the permission (others can read, owner can write and group members can execute only) of all the files and directories within the directory XYZ.

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Write the answer of the following command below:
a. Write a command to change the permission (others can read, owner can write and group members can execute only) of all the files and directories within the directory XYZ.                                                                                                                 

    b. Write a command to list all the installed packages with their version number, whose name conations a pattern “Linux”.                                                    

    c. Write a command to display the disk usage of all the files and directories under directory TEST in human readable format.                                                 
 
d. Write a command to search all the files in ending with .doc, whose does not contains a pattern “package” with line number before it.                                
 
e.  Write a command to search all the files in your parent directory whose name is starting from a number in between 9 to 10.                                          
 
f. Write a command to create the partition of your disk named is disk1.    

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