Recently, I was using the OS X of apple.
1. Beautiful UI design;
2. There is a strong Unix (FreeBSD) in the background );
3. built-in powerful dynamic language releases such as Perl, Python, TCL, Ruby, and awk;
4. Embedded Emacs and VI, though only terminal;
5. ilife is a powerful built-in home living kit (iMovie, iPhoto, garageband ...);
6. garageband provides music learning and creative assistance. It also has a set of built-in guitar and piano tutorials;
7. iMovie is a simple and easy-to-use movie editing software;
8. iphote is a comfortable photo preparation and display tool;
9. The cocoa version of Emacs is very powerful;
10. The keyboard layout is somewhat different from that of the ibm pc, but you can configure CTRL/ALT/shift/option;
11. built-in official free xcode;
12. Simple functions do not need to be configured or learned. complex functions require some UNIX knowledge;
13. For users with high IT skills, Safari is too weak and Firefox for Mac is more useful;
14. There are a large number of users in virtual machines, black fruits, and genuine products;
15. For the old man of ibm pc, there are still many software vacancies to fill in for MAC;
16. cracking software on Mac is very easy;
17. For Unix users, Mac shell is somewhat weak and closed and requires many customization and reinforcement.
There are a lot more to add .........................