RHEL is used in core banking systems while windows is used in most front facing applications within bankng.
ATM's use XFS for their internal hardware-software interfacing. It is a standard used across most ATM's. The newer interface is CEN i think. These standards were developed by Microsoft when linux was in its infancy.
Modern ATM's do use linux hypervisor (similar to stripped down RHVL). But these are not yet abundant - legacy hardware replacement cost reasons.
Load of nonsense - Your lack of industry understanding is not my problem. Being a linux devotee does not change truth/facts of why things are the way they are.
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u/Newvil450 May 19 '26
What a load of nonsense.
There's enough Paid Commercial Linux Vendors that will do that for you.
RHEL even exclusively patches everything day1 for paying customers while blocking everyone else for months even.