I need to brag a little because I'm proud of my dad. He's 63 years old and can boot his Grub configuration to 14 different Linux distros last time I looked ( w

I need to brag a little because I'm proud of my dad. He's 63 years old and can boot his Grub configuration to 14 different Linux distros last time I looked ( which was about 8 months ago ). Yes, he is technically inclined.