Re: POWER to the people!
Re; the relative costs - you're paying for the database in every case and for Linux you're (not) paying for the OS, only the support.
Now it's true that IBM i (AS/400 to you dodos) does need some microcode support for internal disks but honestly, in this day and age who uses internal disks? OTOH, once you have the IBM-suported hardware in the box you do get a really high level of stability, for the same reason you do with MacOS and iOS (and IOS for that matter) which is that the OS and hardware are tested, developed and certified together.
Biting the hand that feeds IT
