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