What is Hackintoshing? Apple designed Mac OS X so that only Macs can run it. If you attempt to stick a Mac OS X installation disc into any computer that isn't made by Apple, it simply won't work. Unlike the Windows or Linux operating systems, Mac OS X normally requires a very specific set of hardware to run.
Report Abuse. Union-there are 15 players who run onto the field and there are 7 reserves. league-there are 13 players who run onto the field and 12 reserves. league need more reserves because it is a much quicker game than rugby union. Rugby_Guy 9435 Â· 9 years ago. Thumbs up.
The annual Five Nations rugby union champions first contested by England, Ireland, Scotland and Wales. France made it five nations by joining the competition in 1910.