# this is a comment

# list the files
ls

# list the files with all attributes
ls -la

# which directory am I current in
pwd

# whoami - e.g. username, root, www-data
whoami

# which version of php am i using
which php

# change directory
cd /new/folder/path

# home directory
cd ~/

# move something - also used for renaming
cp something.txt something-new-name.txt

# copy something
cp something.txt something-copy.txt