lsb_release “Linux Standard Base” is a simple command line tool allows you to show more information such as “distribution code name, distribution ID, distribution release number, and distribution description” about currently used linux distribution.
Run Terminal, then type
This command will show all information at once. Also you can show these information separately using commands down bellow.
||show this help message and exit
||show LSB modules this system supports
||show distributor ID
||show description of this distribution
||show release number of this distribution
||show code name of this distribution
||show all of the above information
||show requested information in short format
Also you might want to check the related posts and Command Line posts.