Why does they use Linux on IBM pSeries

Anyone can help me answer the question.

Why does they use Linux on IBM pSeries not AIX.

I can't understand why, cause AIX is the best supporting from IBM pSeries.

Tks you.

Both Linux and AIX are available on IBM Power Series:

IBM Power Systems software - AIX

tks you. I see. But i still not understand ...

Anyone can help me.

I am closing this thread.

Both AIX and Linux are already supported on pSeries.

There is nothing more to understand.