Terminal

# User, host, directory, and prompt
username@hostname:~ $

Directory

# Print working directory
pwd

# Change directory
cd <dir-name>

# Go up one directory
cd ..

# Create
mkdir <dir-name>

# Delete
rmdir <dir-name>

# Rename or move
mv <old-name> <some-path>/<new-name>

# Copy including all its content recursively
cp -r <source-name> <destination-name>

List

# List the files and directories
ls

# Show more details
ls -l

# List all including hidden files and directories
ls -a

# List all and show more details
ls -la