Reading Notes: Linux-commands, editors, and shell programming

This book is comprehensive and detailed. It is suitable for beginners to study carefully.

Chapter 2 welcome to the Linux World

1. POSIX standard

 

2. Linux has kernel programming interfaces

 

3. Linux supports Secure hierarchical file systems

 

Chapter 2 shell

1. Shell extension fuzzy file reference

 

Chapter 2 Vim Editor

1. What is Vim?

 

Chapter 2 bash

1. Readline Library

 

2. inputrc Configuration

 

3. Control bash features and options

 

4. Shell features

 

5. shopt enabling and disabling shell features

 

6. Command Line Extension in Shell

 

7. Order of reference deletion and extension

 

The difference between double quotation marks and single quotation marks is explained from a deeper perspective: Shell expands the commands in the command line, and double quotation marks allow extension of parameters and variables, but other types of extensions are restrained, while single quotes are used to suppress all extensions.

8. curly braces Extension

 

9. character generation Extension

 

10. Arithmetic Extension

 

11. Command Extension

12. Word Segmentation and Path Extension

 

13. quotation marks, extension level and process replacement

 

Chapter 2 C Programming

1. ELF format

 

2. view the dynamic library using the LDD Tool

 

3. strace: trace system calls

 

Chapter 2 bash Program Design

1. open and close the file descriptor

 

2. Extended variables and unconfigured Variables

 

3. Arithmetic assignment and arithmetic Extension