Multiple choice technology operating systems which command gives the operating system's version number? uname -v uname -p uname -s uname -r Reveal answer Fill a bubble to check yourself D Correct answer Explanation The 'uname -r' command displays the kernel release/version number of the operating system. Option A (-v) shows kernel version with additional build info, option B (-p) shows processor type, and option C (-s) shows operating system name.