I'm not much of a mac user. I've never seen an OS crash since windows 7 arrived. Neither on windows (7, 8, 10) or on OSX. Are scenarios where the entire operati

I'm not much of a mac user. I've never seen an OS crash since windows 7 arrived. Neither on windows (7, 8, 10) or on OSX. Are scenarios where the entire operating system crashes really occurring in significant numbers?