unmkinitramfs - extract content from an initramfs image
syntax
$ unmkinitramfs [options] initramfs-file directory
To extract the /boot/initrd.img-5.14.0-8-amd64 file into the current
working directory
$ unmkinitramfs /boot/initrd.img-5.14.0-8-amd64 .
To print verbose output
$ unmkinitramfs -v /boot/initrd.img-5.14.0-8-amd64 .
regards,
T.Dhanasekar