[Environment Setup 3] Introduction to Linux shell commands in bash

Show the current directory

$ pwd

Navigate to the desktop directory (bash is case sensitive, so this command gives you an error)

$ cd desktop

Navigate to the Desktop directory

$ cd Desktop/

List the content of the current directory

$ ls

Create a file named test.txt

$ touch test.txt

Edit the file test.txt with the command-line based editor nano. To save the changes and exit, you press Ctrl+X and then press y as "yes"

$ nano test.txt

Show the content of the file

$ cat test.txt

Make a new directory named project

$ mkdir project

Copy the file test.txt into the project folder

$ cp test.txt project/

Navigate to the project directory

$ cd project/

List the content of the directory with more details

$ ls -l

Create a new file file2.txt

$ touch file2.txt

Remove the file file2.txt

$ rm file2.txt

Go back to the parent directory (Go up)

$ cd ..

Remove the project directory (fails since the directory is not empty)

$ rm project/

Remove the project directory recursively, i.e. removes all its content as well

$ rm -r project/

Show the current logged in user

$ whoami