8. System administration commands (usually only for root)
UNMKINITRAMFS
Section: System Administration (8)Updated: 2016/12/15
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NAME
unmkinitramfs - extract content from an initramfs imageSYNOPSIS
unmkinitramfs [-v] initramfs-file directoryunmkinitramfs -h
DESCRIPTION
The unmkinitramfs command extracts the content of a given initramfs image using cpio. If the image contains multiple segments, each are passed to cpio in order.OPTIONS
- -h
-
Display usage information and exit.
- -v
-
Display verbose messages about extraction.
USAGE EXAMPLES
Extract initramfs content of current running kernel:
unmkinitramfs /boot/initrd.img-$(uname -r) initramfs/
BUGS
unmkinitramfs cannot deal with multiple-segmented initramfs images, except where an early (uncompressed) initramfs with system firmware is prepended to the regular compressed initramfs.AUTHOR
The initramfs-tools are written by Maximilian Attems <maks@debian.org> and numerous others.SEE ALSO
initramfs-tools(7), lsinitramfs(8), mkinitramfs(8), update-initramfs(8).
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