• What Is “The Shell”?
• Navigation
• Looking Around
• A Guided Tour
• Manipulating Files
• Working With Commands
• Reading Man pages
• Keyboard shortcuts for Bash
• LTS
• Shebang
• Linux file systems explained

* `cd`
* `ls`
* `pwd`
* `less`
* `file`
* `ln`
* `cp`
* `mv`
* `rm`
* `mkdir`
* `type`
* `which`
* `help`
* `man`

At the end of this project, you are expected to be able to explain to anyone, without the help of Google:

• General
  • What does RTFM mean?
  • What is a Shebang
  • What is the Shell
  • What is the shell
  • What is the difference between a terminal and a shell
  • What is the shell prompt
  • How to use the history (the basics)
• Navigation
  • What do the commands or built-ins cd, pwd, ls do
  • How to navigate the filesystem
  • What are the . and .. directories
  • What is the working directory, how to print it and how to change it
  • What is the root directory
  • What is the home directory, and how to go there
  • What is the difference between the root directory and the home directory of the user root
  • What are the characteristics of hidden files and how to list them
  • What does the command cd - do
• Looking Around
  • What do the commands ls, less, file do
  • How do you use options and arguments with commands
  • Understand the ls long format and how to display it
• A Guided Tour
  • What does the ln command do
  • What do you find in the most common/important directories
  • What is a symbolic link
  • What is a hard link
  • What is the difference between a hard link and a symbolic link
• Manipulating Files
  • What do the commands cp, mv, rm, mkdir do
  • What are wildcards and how do they work
  • How to use wildcards
• Working with Commands
  • What do type, which, help, man commands do
  • What are the different kinds of commands
  • What is an alias
  • When do you use the command help instead of man
• Reading Man Pages
  • How to read a man page
  • What are man page sections
  • What are the section numbers for User commands, System calls and Library functions
• Keyboard Shortcuts for Bash
  • Common shortcuts for Bash
• LTS
  • What does LTS mean?

• General
  • Allowed editors: vi, vim, emacs
  • All your scripts will be tested on Ubuntu 22.04 LTS
  • All your scripts should be exactly two lines long ($ wc -l file should print 2)
  • All your files should end with a new line (why?)
  • The first line of all your files should be exactly #!/bin/bash
  • A README.md file at the root of the repo, containing a description of the repository
  • A README.md file, at the root of the folder of this project, describing what each script is doing
  • You are not allowed to use backticks, &&, || or ;
  • All your scripts must be executable. To make your file executable, use the chmod command: chmod u+x FILENAME_GOES_HERE.Later, we’ll learn more about how to utilize this command.