How to check what Kernel and Distribution of Linux your running

How to check what Kernel and Distribution of Linux your running via the Command Line?

• KERNEL
  1. Type in the following command:
     uname -r
     And hit enter
  2. The command above will display the kernel version you are running
     eg. 2.6.28-13-generic
  3. uname = Prints System Information
     -r = Prints the kernel release

• DISTRIBUTION
  
  1. Type in the following command:
     cat /etc/issue
     And hit enter
  2. The command above will display the kernel version that you use
     eg. Ubuntu 9.04 \n \l
  3. cat = Concatenates files and prints on the standard output