0
Yes. OS/2 is a computer operating system.
As of August 2014, it is not possible for a person to upgrade OS 9 to OSX. A person will only be able to upgrade to OS 9. 2.
Linux Ubuntu and Apple Mac OS
Dos
Unix
Linux
Windows
Mac OS
OS/2
yes, the PC will have more than one OS. in my PC i have 3 OS