Its interesting to find yet another upgrade and a new release from Ubuntu team. And this time it is versioned as 12.10 also called "Quantal Quetzal" So here is the step by step sequence how you can upgrade your existing Ubuntu OS to the new 12.10. But why an upgrade? The new Ubuntu promises a new Linux kernel, which is more optimized interms of performance. For example my home laptop is an Intel SOLO processor, which lacks performance. The only advantage I get is its long battery charge. So the overall GUI is much more fluid, and much more optimized Linux Kernel, hence I badly need such an upgrade. Please find the Update Manager as shown below: Once you open it, if there are no current distribution upgrades, you can see it shows there is a new upgrade/release available. You can choose "Upgrade" option as shown below: Here you can choose to remove the old and obsolete apps which are no longer required, or be