About this book
1. What is Linux?
2. Basic Command (1)
3. Regular expression and Pipe
4. Basic Command (2)
5. Text editor
6. Administrator's work
7. User authority and Access right
8. Shell Script
9. Network setup and management
10.File Management
4.7 Exercise
What happens if touch command is executed? Please answer in two cases.
What is the difference between cmp and diff?
