https://drive.google.com/file/d/15mpGVbhaovBvRgGou15kFGyqJNWrDZoW/view?usp=sharing
pwd – Print Working Directorypwd
$ pwd
/home/user/Documents
cd – Change Directorycd <path> # Move into a specific directory
cd ~ # Go to the user’s home directory
cd - # Go back to the previous directory
cd . # Stay in the current directory
cd .. # Move one level up (parent directory)
cd /etc
pwd # Shows /etc
cd - # Returns to previous directory
cd .. # Goes up one level