CONTENTS

1. Introduction

2. Variables

3. Echo

4. Shell Arithmetic

5. Quotes

6. Exit status

7. Read Statement

8. Wildcards

9. Semicolon

10. Command line argument

11. Redirector Symbol

12. Sort

13. Tr

14. Pipes

15. Filter

16. Process

17. Bc

18. if condition

19. Test command

20. if-else

21. Multilevel if then else

22. Loops

23. for loop

24. While loop

25. Case statement

26. Debug

Objective:In this class we are going to learn about ways of find user account information and login details in linux using scripting.

1.Simple use of id command
2.Simple use of groups command
3.Simple use of finger command
4.Simple use of getent command
5.Simple use of grep command
6.Simple use of users command
7.Simple use of who command
8.Simple use of w command
9.Simple use of last command
10.Simple use of lastlog command

Along with that we also see how to use case statement and while loop.
In computing, ls is a command to list computer files in Unix and Unix-like operating systems. ls is specified by POSIX and the Single UNIX Specification.