Based on Red Hat Enterprise Linux 7.9, Oracle Linux 7 Update 9 is here to introduce the Unbreakable Enterprise Kernel (UEK) Release 6 as the default kernel for x86_64 (64-bit) and AArch64 (ARM64) platforms, which is based on the mainline Linux 5.4 LTS kernel and introduces numerous new features and improvements for top-notch hardware support. These include zero copy networking to boost the network performance and enable building of faster networking products, support for the Btrfs file system, support for the OCFS2 file system, DTrace support, as well as enhanced security and virtualization support for the AArch64 (ARM64) platform.