Linux device drivers...
Kevin M. Gleason
kgleason at ma.ultranet.com
Thu Feb 24 08:37:47 EST 2000
I'm a little unclear on theory between the two devices. Would a
be something like the keyboard (passing one char at a time) as
opposed to block (that uses a buffer then passes the contents of the
I have no idea how you would use a pipe in this context.
Jerry Feldman wrote:
> First, the files in the /dev/ directory are usually device special files and
> rarely are there normal files. When you do an ls -l, the first character
> before the permissions says whether it is a character or block device.
> In the following, ptyp0 is a character device with a major number of 7,
> and a minor number of 0.
> crw-rw-rw- 1 root system 7, 0 Oct 22 14:48 ptyp0
> Each driver is identified by a major number, and the device is generally
> the minor number, but that actually depends on the driver. Floppy names
> are normally set up as something like /dev/fd01440. There is a whole
> bunch of them. I don't have a linux system that I can log into from here.
> On 21 Feb 00, at 10:22, Kevin M. Gleason wrote:
> > I was playing around on my Linux box and had some questions about files
> > in /dev.
> > If fd0 is used to define the first 3 1/2" high density floppy what other
> > device drivers might I expect to see for the same size drive?
> > Or other drivers on my computer (I have used the cdrom is09660).
> > Are there drivers for the old 5 1/4" floppy disk drives?
> > Thanks for your help.
> > Kevin
> > -
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> Jerry Feldman
> Contractor, eInfrastructure Partner Engineering
> 508-467-4315 http://www.testdrive.compaq.com/linux/
> Compaq Computer Corp.
> 200 Forest Street MRO1-3/F1
> Marlboro, Ma. 01752
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