Introduction
When you work in a command line, you often need to move between folders to find files or run programs. The cd command helps you change your current folder to another one so you can work there.
When you want to open a folder to see or work with its files.
When you need to run a program or script located in a different folder.
When you want to organize your work by moving into project-specific folders.
When you want to go back to your home folder quickly.
When you want to move up one level in the folder structure.