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1. What would the resulting permissions be if the following command were execute

ID: 3546230 • Letter: 1

Question

1. What would the resulting permissions be if the following command were executed? (4 points)

    Chmod  u=rx,g=x,o=  inform

2. In the following table, replace  ?  by  the appropriate chmod value or resulting permission. (each 4 points)

    Chmod value                      Resulting permission

         700                                        rwx --- ---

           ?                                            r-- --- ---

         200                                         ?

            ?                                           rw- --- ---

            ?                                           --x --- ---

         000                                          ?

         500                                          ?

3. There are several commands in the script named inform. What minimum permissions for the script are needed to run the commands by entering its name? (4 points)

4. What minimum permission for a subdirectory do you need to create files in the subdirectory? (4 points)

5. What minimum permissions for the file or directory are needed to do the following successfully? (each 4 points)

(1) cat mydir/myfile

mydir: ________________

myfile: ________________

(2) touch mydir/myfile

mydir: ________________

(3) rm mydir/myfile

mydir: _________

(4) ls

Explanation / Answer

Let me know if you need more help. Thanks

1. What would the resulting permissions be if the following command were executed? (4 points)

Chmod u=rx,g=x,o= inform

Ans: r-x --x ---

2. In the following table, replace ? by the appropriate chmod value or resulting permission. (each 4 points)

Chmod value Resulting permission

700 rwx --- ---

400 r-- --- ---

200 -w- --- ---

600 rw- --- ---

100 --x --- ---

000 --- --- ---

500 r-x --- ---

3. There are several commands in the script named inform. What minimum permissions for the script are needed to run the commands by entering its name? (4 points)

Ans: r-x

4. What minimum permission for a subdirectory do you need to create files in the subdirectory? (4 points)

Ans: -wx

5. What minimum permissions for the file or directory are needed to do the following successfully? (each 4 points)

(1) cat mydir/myfile

mydir: --x

myfile: r--

(2) touch mydir/myfile

mydir: -wx

(3) rm mydir/myfile

mydir: -wx --- ---

(4) ls