man4/ttyS.4

   1 .\" Copyright (c) 1993 Michael Haardt (michael@moria.de),
   2 .\"     Fri Apr  2 11:32:09 MET DST 1993
   3 .\"
   4 .\" SPDX-License-Identifier: GPL-2.0-or-later
   5 .\"
   6 .\" Modified Sat Jul 24 17:03:24 1993 by Rik Faith (faith@cs.unc.edu)
   7 .TH ttyS 4 (date) "Linux man-pages (unreleased)"
   8 .SH NAME
   9 ttyS \- serial terminal lines
  10 .SH DESCRIPTION
  11 .B ttyS[0\-3]
  12 are character devices for the serial terminal lines.
  13 .PP
  14 They are typically created by:
  15 .PP
  16 .in +4n
  17 .EX
  18 mknod \-m 660 /dev/ttyS0 c 4 64 # base address 0x3f8
  19 mknod \-m 660 /dev/ttyS1 c 4 65 # base address 0x2f8
  20 mknod \-m 660 /dev/ttyS2 c 4 66 # base address 0x3e8
  21 mknod \-m 660 /dev/ttyS3 c 4 67 # base address 0x2e8
  22 chown root:tty /dev/ttyS[0\-3]
  23 .EE
  24 .in
  25 .SH FILES
  26 .I /dev/ttyS[0\-3]
  27 .SH SEE ALSO
  28 .BR chown (1),
  29 .BR mknod (1),
  30 .BR tty (4),
  31 .BR agetty (8),
  32 .BR mingetty (8),
  33 .BR setserial (8)