drwxr-xr-x. 17 bob root 4096 23:38 / dr-xr-x--- 10 root bob 128 03:38 /data ---W-IX 4 bob bob 100 21:08 /data/abc.ah lrwxrwxrwx , 2 bob bob 13 21:08 /data/abc.txt -> Music/def.txt a) Can the user bob successfully execute the following command less /data/abc sh? Fully explain your answer. b) if abc.sh is a script file, who is able to run the script? Fully explain your answer 12 marks] c) Fully explain each of the items listed in the 4th line of the ouput: (1 mark]