Introduction to Unix

[Usr6]

Everybody Knows How to Use a Computer, but Not Everyone Knows How to Use the Command Line. Yet This is the Gateway to Doing Anything and Everything Sophisticated with a Computer and the Most Natural Starting Place to Learn Programming

Table of Contents

1. Introduction

2. 100 Useful Unix Commands

3. Getting Started: Opening the Terminal

4. The Definitive Guides to Unix, Bash, and the Coreutils

5. The Unix Filestructure

6. The Great Trailing Slash Debate

7. Where Are You? - Your Path and How to Navigate through the Filesystem

8. Gently Wading In - The Top 10 Indispensable Unix Commands

9. ls

10. Single Line Comments in Unix

11. The Primacy of Text Files, Text Editors

12. echo and cat

13. cp, mv, and rm

14. Variables in Unix

15. Escape Sequences

16. Global Variables in Unix

17. The PATH

18. What is Scripting?

19. File Suffixes in Unix

20. The Shebang

21. chmod

22. Saving to a File; Stdout and Stderr

23. More on Stdout and Stderr; Redirection

24. Conditional Logic

25. File Test Operators; Return or Exit Status

26. Basic loops

27. Arguments to a Script

28. Multi-Line Comments, Multi-Line Strings in Bash

29. Source and Export

30. Dotfiles (.bashrc and .bash_profile)

31. Working Faster with Readline Functions and Key Bindings

32. More on Key Bindings, the ASCII Table, Control-v

33. Aliases, Functions

34. The Top 20 Indispensable Unix Commands

35. head and tail

36. less and more

37. grep

38. sort

39. history

40. Piping in Unix

41. Command Substitution

42. Process Substitution

43. Processes and Running Processes in the Background

44. awk

45. sed

46. More awk examples

47. Regular Expressions in Bash

48. Command Line Perl and Regex

49. Example Bash Scripts

50. Using the Python Shell to do Math

51. Bash in the Programming Ecosystem (or When Not to Use Bash)

52. Concluding Notes

Oliver | An Introduction to Unix