cd is a Linux command to change the directory/folder of the terminal's shell.
You can press the tab button in order to auto complete the directory name.
$ cd [directory]
Change to home directory (determined by $HOME environment variable):
$ cd
Also change to home directory:
$ cd ~
Change to root directory:
$ cd /
Change to parent directory:
$ cd ..
Change to subdirectory Documents:
$ cd Documents
Change to subdirectory Documents/Books:
$ cd Documents/Books
Change to directory with absolute path /home/user/Desktop:
$ cd /home/user/Desktop
Change to directory name with white space - My Images:
$ cd My\ Images
Or
$ cd "My Images"
Or
$ cd 'My Images'