.\" -*- nroff -*-
.\" 
.TH PIGGYBACK 1 "March 1998" "piggyback"
.SH NAME
piggyback \- add initial ramdisk to a tftpboot kernel image
.SH SYNOPSIS
.B piggyback
.I vmlinux
.I System.map
.I ramdisk
.P
.B piggyback64
.I vmlinux
.I System.map
.I ramdisk
.SH DESCRIPTION
.BI piggyback
is a simple utility to make a single-image install kernel with initial
ramdisk for Sparc tftpbooting without need to set up nfs.
.P
.BI piggyback64
is the same for Ultra-Sparc workstations (those using a 64 bit kernel).
.PP
.SH OPTIONS
.TP
.I vmlinux
the kernel on which the ramdisk will be appended.  It must be an
.B a.out
kernel (use elftoaout for it), as PROM looks for
.B a.out
image only.
.TP
.I System.map
the kernel map.
.TP
.I ramdisk
the initial ramdisk image to append to the kernel image.  It could be
compressed as well.
.SH AUTHOR
.B piggyback
has been written by Jakub Jelinek <jj@ultra.linux.cz>.
.SH AVAILABILITY
.B piggyback
and
.B piggyback64
are available in kernel-source-2.2.x package, under arch/sparc/boot and
arch/sparc64/boot.
.SH SEE ALSO
.BR elftoaout (1),
.BR tilo (1)