Linux and Shell Basics

1. Small Introduction
2. Types of Licensing
3. What is Operating System
4. Different Shells
5. To start with environment
6. FileSystem Overview
7. Environment Variables
8. FileSystem Traversing
9. Access levels
10. Changing the Access levels
11. echo,GREP, PS and Redirection
12. Remote connection
13. Linux Basic Commands
14. Starting Shell Scripting
15. Process Management Overview
16. ps command and kill process
17. Background processes and Job control
18. Process monitoring tools, at and crontab 
19. Text Processing
20. File descriptors and redirection
21. curly braces and GREP tool
22. Working with multiple commands
23. Variables 
24. command line arguments
25. Array
26. Linux Notes