Question

Given the following file :

-rw-r--r-- 1 malsaid faculty 74 Oct 20 16:50 a

What will be the file permissions after the following command:

chmod ou+x,g+w,o-r a

Answer 1

To show the wokring of the code chmod ou+x,g+w,o-r a, I created a file name 'a' as in question and executed the command.

As you can see, the file permission changes to rwxrw---x

chmod is the command and system call which is used to change the access permissions of file system objects

In chmod ou+x,g+w,o-r,

ou+ will give others and user the permission to execute the file which is represented by 'x'.

g+w will give write permssion to group where 'g' represents group.

o-r will remove read permission from others.

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