Use lsb_release command To find out Linux distribution name and version. The lsb_release command displays certain LSB (Linux Standard Base) and distribution-specific information. Type the following command: No LSB modules are available. Here is another outputs from Ubuntu Linux 20.04 LTS: No LSB modules are available. Method 3. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.