.Dd October 5, 2015
.Dt INITRD 7
.Os
.Sh NAME
.Nm initrd
.Nd initialization ramdisk
.Sh SYNOPSIS
.Pa /boot/sortix.initrd
.Sh DESCRIPTION
.Pa /boot/sortix.initrd
is a
.Xr tar 1
archive of a minimal userland loaded by the bootloader and passed to the
.Xr kernel 7
that extracts it into the initial kernel memory root filesystem.
The kernel invokes the
.Xr init 8
extracted from the initrd as
.Pa /sbin/init .
.Pp
The
.Xr update-initrd 8
program creates a minimal initrd that locates the root filesystem and chain
boots it as described in
.Xr init 8 .
.Sh SEE ALSO
.Xr tar 1 ,
.Xr kernel 7 ,
.Xr init 8 ,
.Xr update-initrd 8