I have successfully installed Ubuntu.. but i have some problems. (I'm new to linux) Applications such as Firefox & (System>Administration>Hardware Drivers) won't load. Additionally, I tried using a command "dpkg --configure -a" to resolve an error .. so i typed this in the Terminal, and it said "dpkg requested operation requires superuser privilege" How do i obtain "superuser privileges" ? Thank you for your time.
You need to type "sudo" before the "dpkg", so you should type: sudo dpkg --configure -a "sudo" means, "temporarily give me superuser privilege". If you want to make serious changes to your machine, you need superuser privilege. It will prompt you for your password, that you would have set at installation.