Ubuntu Linux Download Accelerator

See this url to install axel and lftp :

sudo apt-get install axel lftp

To download ati driver using 10 simultaneous connections :
axel -n 10 https://a248.e.akamai.net/f/674/9206/0/www2.ati.com/drivers/linux/ati-driver-installer-8-02-x86.x86_64.run