cd changes derectories
cd
To your home directory
cd ..
To your home directory
cd -
To your previous working directory
Listing Directory Contents
ls -a
include hidden files
ls -l
long listing style
ls -R
Recurse through directories
Copying Files & Directories
cp -i source destination
interactive(ask before overwriting file)
cp -R source destination
recursive (recursively copy an entire directory tree)
Creating & Removing Files
touch
create empty file or update filetimestamps
rm -i
interactive(ask before removing [...]
