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Newsgroups: comp.unix.bsd Path: sserve!manuel.anu.edu.au!munnari.oz.au!uunet!elroy.jpl.nasa.gov!usc!sol.ctr.columbia.edu!ira.uka.de!math.fu-berlin.de!informatik.tu-muenchen.de!regent!lmsys!mrz!busybit!jochen From: jochen@busybit.mrz.sub.org (Jochen Fahrner) Subject: [386BSD] Why different major numbers for same device ? X-Md4-Signature: 7ec271ba49f0a96abe9493ab9a887f03 Organization: Busybit's Software Labor, D-8068 Pfaffenhofen Date: 4 Dec 92 17:06:27 Message-ID: <JOCHEN.92Dec4170627@busybit.mrz.sub.org> Sender: jochen@busybit.mrz.lm.sub.org (Jochen Fahrner) Lines: 18 I'm wondering, why there are different major device numbers for the same device driver in 386BSD, depending on wether it is used as a block or character device. For the SCSI block devices the major number is 4, for the character devices it seems to be 13, but there are also SCSI devices with 11. How can I determine the correct major device number for a specific device ? In the config file "devices.i386" there is only number 4 listed for device "as". Another magic thing which I don't understand: If I want to access /dev/rfd0a (for example with tar) I must also have access to /dev/fd0a. Why that ? Jochen -- Jochen Fahrner, D-8068 Pfaffenhofen, jochen@busybit.mrz.sub.org