If you're new to the Terminal, Pasting Commands probably seems like a godsend. Until it doesn't work. Here's how to do it properly.
Linux Kernel 3.10 is the most recent LTS kernel release, with 18 releases to date. With a plethora of fixes for literally thousands of bugs, the latest updates stress stable network connectivity.
Linux Kernel 3.11 is mostly a driver-driven release, with fixes for bugs and updates for Radeon, Intel i915, Wireless and USB devices, as well as the standard list of bugs and security fixes that simply can't all be listed here.