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RedHat Main Version Changes
Whats new in RHEL 7
- Init System: systemd (previous System V) + Unit files
- Default file system: XFS, BTRFS deprecated
Whats new in RHEL 8
- Volume managing: Stratis
- Network: NetworkManager
- Packaging: DNF (compatibility for YUM)
- Groups: nfsnobody deprecated (⇒ nobody)
Whats new in RHEL 9
- Firewall: nftables