LINUX and Shell Scripting

1) How do you find out what’s your shell?

2) What’s the command to find out today’s date?

3) What’s the command to find out users on the system?

4) How do you find out the current directory you’re in?

5) How do you remove a file?

6) How do you find out your own username?

7) How do you search for a string inside a given file?

8) What are PIDs?

9) How do you list currently running process?

10) How do you stop a process?

11) How do you stop all the processes, except the shell window?

12) What’s the conditional statement in shell scripting?

13) How do you do number comparison in shell scripts?

14) How do you test for file properties in shell scripts?

15) How do you edit a file in shell scripts?