The benefits of learning a small shell script example
1. Master the grammatical structure
2. Understand the role of the shell
3. Create programming ideas
Two ways to build programming ideas
1. Familiar with basic Linux commands, specifications, syntax and shell syntax
2. Apply what you have learned when encountering actual needs
How to "back" the program?
1. Copy the program and run it correctly.
2. Completing comments for the program
3. Delete the comments and re-comment the code.
4. Delete the code and read the comments to write the code
5. Delete comments and code and write from scratch.