Copy a folder:
scp -r username@example.com:/path/to/foo ./home/user/Desktop/
Copy a file:
scp username@example.com:/path/to/foo.zip ./home/user/Desktop/
Copy a folder:
scp -r username@example.com:/path/to/foo ./home/user/Desktop/
Copy a file:
scp username@example.com:/path/to/foo.zip ./home/user/Desktop/