Check the date: This classic article from Mario Wolczko first appeared on Usenet in 1986. I don't think that they had the option to boot from cdrom. On 4 May 01, at 21:23, Austad, Jay wrote: > What version of unix was it? If solaris, they could have just put in the > cdrom and done "boot -s cdrom" or if linux just used Tom's root boot. I > assume other Unices also have some sort of boot from cdrom in single-user > mode feature. >