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