mknod man page on OSF1

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mknod(8)							      mknod(8)

NAME
       mknod - Creates a special file

SYNOPSIS
       /usr/sbin/mknod	special_file  [b   major_device#   minor_device#  |  c
       major_device#  minor_device#]

       /usr/sbin/mknod filename p

FLAGS
       Indicates that the special file corresponds to a block-oriented	device
       (disk or tape) Indicates that the special file corresponds to a charac‐
       ter-oriented device Creates named pipes (FIFOs)

DESCRIPTION
       The mknod command makes a directory entry. The first  argument  is  the
       name  of the special device file.  Select a name that is descriptive of
       the device.

       The mknod command has two forms. In the first form, the second argument
       is  the b or c flag.  The last two arguments are numbers specifying the
       major_device, which helps the operating system find the	device	driver
       code,  and  the minor_device, the unit drive, or line number, which may
       be either decimal or octal.

       The assignment of major device numbers is specific to each system.  You
       can  determine the device numbers by examining the conf.c system source
       file. If you change the contents of the conf.c file  to	add  a	device
       driver, you must rebuild the kernel.

       In  the	second form of mknod, you use the p flag to create named pipes
       (FIFOs).

       A user who is root can create a character or block special file.

EXAMPLES
       To create the special file for a new  drive,  /dev/disk/dsk20,  with  a
       major  device  number of 1 and a minor device number of 2, enter: mknod
       /dev/disk/dsk20 b  1  2

	      This command creates the special file, /dev/disk/dsk20, which is
	      a block special file with major device number 1 and minor device
	      number 2.	 To create a pipe named fifo, enter: mknod fifo p

	      This command creates the pipe fifo, which is not necessarily  in
	      the current directory.

FILES
       Specifies the command path Specifies the system device numbers specifi‐
       cation file

								      mknod(8)
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