Q3: (a) What is samba, explain its features and also explain the feature of BIND. (3)

(b) Visual editor is very famous in Linux edition, A scenario is given to you just write the codes for the given instructions. (5)

To insert any text.

To write and quit.

To increment and copy.

To substitute any text or file.

(c) Write a code of shell scripting of (add, sub, Multiple, Divide, percentage) two numbers in a command line of the Linux system. (7)

NOTE: 1) One num is your Reg num last three digits

2) One num is your Age.