Deno.osRelease - Deno documentation
function Deno.osRelease
allow-sys
osRelease(): string

Returns the release version of the Operating System.

console.log(Deno.osRelease());

Requires allow-sys permission. Under consideration to possibly move to Deno.build or Deno.versions and if it should depend sys-info, which may not be desirable.

Return Type

string