Sometimes you just want to copy files from a remote server, and you want it often and quick. Stuff like a DB dump.
You could startup your (s)ftp client and browse to it. Or you could just grab it with ssh.
Download one file
scp -email@example.com:/full/path/to/dump.xml /local/path/to/Downloads
Download a whole folder
scp -r firstname.lastname@example.org:/full/path/to/folder /local/path/to/Downloads
If you need something more complicated, look into