Ace Linux Interviews: All Levels Mastered

1) How do you execute more than one command or program from a single command line entry?

2) Write a command that will look for files with an extension "c", and has the occurrence of the string "banana" in it.

3) Write a command that will display all .txt files, including its individual permission.

4) Write a command that will do the following:

-look for all files in the current and subsequent directories with an extension c,v
-strip the ,v from the result (you can use sed command)
-use the result and use a grep command to search for all occurrences of the word “banana” in the files.

5) What is wrong with each of the following commands?

a) ls -l-s
b) cat file1, file2
c) ls - s folder2

6) What is the command to calculate the size of a folder?

7) How can you find the status of a process?

8) How can you check the memory status?

9) How can you append one file to another in Linux?

10) How you can find a file using the Shell Terminal?

11) How can you create a folder using the Shell Terminal?

12) How can you view a text file using the Shell Terminal?

13) How do you enable curl on Ubuntu LAMP stack?

14) How do you enable root logging in Ubuntu?

15) How do you uninstall the libraries in Linux?

16) What is Linux?

17) What is the difference between UNIX and LINUX?

18) What is BASH?

19) Define Linux Kernel?

20) What is LILO?

21) Define swap space?

22) What is the advantage of open source?

23) What are the basic components of Linux?

24) Does it help for a Linux system to have multiple desktop environments installed?

25) Main differences between BASH and DOS?

26) What is the root account?

27) What is CLI?

28) What is GUI?

29) What does a nameless (empty) directory represent?

30) What is the pwd command?

31) What are daemons?

32) How do you switch from one desktop environment to another, such as switching from KDE to Gnome?

33) Name the different types of permissions under Linux?