On Mon, 1 Feb 2010 15:14:55 -0500 (EST), Tim Legg wrote: > Hello all, > Any suggestions on how to set a bootable flag non-interactively? sfdisk -A See the man page for sfdisk for details. For example, sfdisk -A 1 /dev/hda will mark the first partion on /dev/hda active and mark all other partitions inactive. sfdisk is part of the util-linux package.