Axel (command line download accelerator)

Install:
# Mac
sudo port install axel

# Ubuntu
sudo apt-get install axel

Simultaneous Connections:
axel -n 3 http://downloadn.com/song.mp3

The -n 3 option (simultaneous connections when downoading the file) 

(-a option to show progress)



Axel is tool that can replace wget or curl