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CentOS 7.0 - man page for linux-boot-prober (centos section 1)

linux-boot-prober(1)					      General Commands Manual					      linux-boot-prober(1)

linux-boot-prober -- Determine boot characteristics of a specified device.
linux-boot-prober <partition>
The linux-boot-prober utility will try to work out how to boot the linux root partition specified by <partition>. If successful, it will outoput one or more lines of the form: <root partition>:<boot partition>:<label>:<kernel path>:<initrd path>:<kernel parameters> For example, for a system with a kernel at /boot/vmlinuz and an initramfs at /boot/initrd.gz, and with / on /dev/sda2 and /boot on /dev/sda1, the command "linux-boot-prober /dev/sda1" will display: /dev/sda2:/dev/sda1:Linux:/vmlinuz:/initrd.gz:root=/dev/sda1 Some partitions will not be displayed by linux-boot-prober. If a partition is mounted on /, /target, or /target/boot, it will be skipped.
os-prober(1) linux-boot-prober 20 Jan 2014 linux-boot-prober(1)