Operating System (OS) Quizzes Linux

Question:
To implement new application on IBM z/10. Which of the following options need to be considered if it to be implemented in Linux?

Option A):
IBM z/OS outperforms Red Hat Linux in commercial workloads
Option B):
Red Hat Linux does not support all the devices supported by IBM z/OS
Option C):
IBM z/OS is more expensive, Linux is shareware
Option D):
z/OS is supported by IBM SupportLine, whereas Red Hat Linux can only be supported by Red Hat

Correct Answer is Option B):
Red Hat Linux does not support all the devices supported by IBM z/OS