# Go up a directory
cd ..
# Go to the $HOME directory
cd
# Change to the /etc directory
cd /etc
# Show current directory
pwd
# Make directory dir
mkdir dir
# List files
ls
# Go up a directory
cd ..
# Go to the $HOME directory
cd
# Change to the /etc directory
cd /etc
# Show current directory
pwd
# Make directory dir
mkdir dir
# List files
ls