[Info-vax] CentOS has been effectively killed for production use

[Dennis Boone]

 > I believe that its the other way round. zOS is carefully rigged so it 
 > "normally" won't run on an IFL. There used to be options to licence bits 
 > that normally don't run on an IFL on an IFL....

My understanding is that the "rigging" is to remove one or two
specific instructions from the architecture on an IFL, and make
sure the z/OS depends on using those instructions.

De