pwd, cd, & ls

pwd – present working directory – shows the full path of the current directory you are in

pwd

cd – change directory – navigates to a different directory

cd /path/to/new/directory

cd /etc/default

ls : list the items in the current directory

ls

ls -l :list the items in the current directory with permission, ownership, and time information

ls -l

ls -a : show hidden files

ls -a

ls -R : lists sub-directory items

ls -R