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LINUX SERVER FUNDAMENTAL PRACTICE SET 7

31. In Linux which of following command do you use to know the purpose of a command?
(A) which
(B) whatis
(C) what
(D) purpose


32. What is the process id of init process?
(A) 2
(B) 6
(C) 4
(D) 1


33. Suppose I have made some changes in my Php.ini file and I want to restart my Apache server, which of following command should I use?
(A) sudo service apache2 restart
(B) sudo /etc/init.d/apache2 restart
(C) Both A and B
(D) Only A


34. Which command is used to show process hierarchy in tree format?
(A) ps tree
(B) pstree
(C) ps t
(D) none of these


35. Which of the following command is used to see the content of tar(backup.tar) file without extracting it?
(A) tar -xvf backup.tar
(B) tar -svf backup.tar
(C) tar -tvf backup.tar
(D) none of these