October 24, 2012, 3:26 PM — Here's how you can speed up Ubuntu 12.10 by using all CPU cores during startup.
1. Open a terminal window.
2. Type in the following command, then hit Enter.
sudo gedit /etc/init.d/rc
3. Find this line:
4. Replace it with this line:
5. Save your changes and then exit.
For more, see the original article at the link below.