sca_sles15 Exam Dumps : SUSE Certified Administrator in Enterprise Linux 15

After the kernel has been loaded during the boot process, udev will handle hardware detection. Udev is a device manager that creates device nodes and symlinks in /dev based on rules and events. It also loads kernel modules and applies persistent device names and permissions. References:

The command that you would run to create an updated initial file system, if your server hardware requires additional drivers to be available for the kernel at boot up, is mkinitrd. This command will create or update the initrd file in /boot based on the current kernel and configuration files. The initrd file is an initial ramdisk image that contains the necessary drivers and tools to mount the root file system and start the boot process. References:

Subvolumes in BtrFS are like virtual filesystems that can be mounted separately with the -o subvol= option. They can also have different attributes and quotas. Subvolumes do not have to start with “@” character, although some default subvolumes use this convention. References: