Is Kernel module is the same as a device driver? Post: 302519629

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Operating Systems Linux Fedora Is Kernel module is the same as a device driver? Post 302519629 by Perderabo on Wednesday 4th of May 2011 12:26:27 PM

05-04-2011

Administrator Emeritus

I've known for a long time that device files are in /dev. However, I forget how I came to know that. So remember this thread!! Then when someone asks you 30 years from now how you knew that device files are in /dev you can refer him to this forum. We always appreciate referrals from our members.

So I list the files in /dev. Then, with awk I select only those with field 5 equal to "1," which is the major number. And I sort the output by 1st character (which is driver type -- actually file type but same difference) and field 6 (which is the minor number).

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LEARN ABOUT LINUX

fdformat

FDFORMAT(8)						     Linux Programmer's Manual						       FDFORMAT(8)

NAME

       fdformat - Low-level formats a floppy disk

SYNOPSIS

       fdformat [-n] device

DESCRIPTION

       fdformat  does  a  low  level  format on a floppy disk.	device is usually one of the following (for floppy devices, the major = 2, and the
       minor is shown for informational purposes only):

	      /dev/fd0d360  (minor = 4)
	      /dev/fd0h1200 (minor = 8)
	      /dev/fd0D360  (minor = 12)
	      /dev/fd0H360  (minor = 12)
	      /dev/fd0D720  (minor = 16)
	      /dev/fd0H720  (minor = 16)
	      /dev/fd0h360  (minor = 20)
	      /dev/fd0h720  (minor = 24)
	      /dev/fd0H1440 (minor = 28)

	      /dev/fd1d360  (minor = 5)
	      /dev/fd1h1200 (minor = 9)
	      /dev/fd1D360  (minor = 13)
	      /dev/fd1H360  (minor = 13)
	      /dev/fd1D720  (minor = 17)
	      /dev/fd1H720  (minor = 17)
	      /dev/fd1h360  (minor = 21)
	      /dev/fd1h720  (minor = 25)
	      /dev/fd1H1440 (minor = 29)

       The generic floppy devices, /dev/fd0 and /dev/fd1, will fail to work with fdformat when a non-standard format is being used, or if the for-
       mat has not been autodetected earlier.  In this case, use setfdprm(8) to load the disk parameters.

OPTIONS

       -n     No verify.  This option will disable the verification that is performed after the format.

SEE ALSO

       fd(4), setfdprm(8), mkfs(8), emkfs(8)

AUTHOR

       Werner Almesberger (almesber@nessie.cs.id.ethz.ch)

AVAILABILITY

       The fdformat command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

Linux 0.99							  1 February 1993						       FDFORMAT(8)