Operating Systems
IBM Unix history includes AIX and earlier commercial systems used on enterprise hardware.
EraHistoric and current
Architecture / focusMultiple enterprise architectures
What to compare
Compare generation, intended workload, performance, energy use, expandability, software support and total maintenance needs. Product names alone rarely identify every important compatibility difference.
Compatibility and security
Follow vendor lifecycle, firmware and patch guidance for the exact platform.
Reference note: Specifications and support status can vary by exact model, release, board revision and vendor policy. Verify critical decisions with the manufacturer or project documentation.