How to Find Your Linux Version or Distro Release, and Why It Matters Finding your kernel release There will be times when you must know your kernel release number. Fortunately, the developers saw fit to include a handy tool that will quickly display your kernel release number. Here’s what you need to do: Open up a terminal window Issue the command uname -r Take note of the information displayed (Figure 1). Finding your distribution release There may be times when you need to know the release number you currently use. Again, there’s a handy command to find that information. Do the following: Open a terminal window Issue the command lsb_release -a For more details pls. check the source : link