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Linux 2.6 - man page for ldattach (linux section 8)

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

NAME
       ldattach - attach a line discipline to a serial line

SYNOPSIS
       ldattach [-dhV78neo12] [-s speed] [-i iflag] ldisc device

DESCRIPTION
       The  ldattach  daemon  opens  the  specified  device  file (which should refer to a serial
       device) and attaches the line discipline ldisc to it for processing  of	the  sent  and/or
       received  data.	It then goes into the background keeping the device open so that the line
       discipline stays loaded.

       The line discipline ldisc may be specified either by name or by number.

       In order to detach the line discipline, kill(1) the ldattach process.

       With no arguments, ldattach prints usage information.

LINE DISCIPLINES
       Depending on the kernel release, the following line disciplines are supported:

       TTY(0) The default line discipline, providing transparent operation (raw mode) as well  as
	      the habitual terminal line editing capabilities (cooked mode).

       SLIP(1)
	      Serial  Line  IP	(SLIP)	protocol  processor  for transmitting TCP/IP packets over
	      serial lines.

       MOUSE(2)
	      Device driver for RS232 connected pointing devices (serial mice).

       PPP(3) Point to Point Protocol (PPP)  processor	for  transmitting  network  packets  over
	      serial lines.

       STRIP(4)

       AX25(5)

       X25(6) Line driver for transmitting X.25 packets over asynchronous serial lines.

       6PACK(7)

       R3964(9)
	      Driver for Simatic R3964 module.

       IRDA(11)
	      Linux IrDa (infrared data transmission) driver - see http://irda.sourceforge.net/

       HDLC(13)
	      Synchronous HDLC driver.

       SYNC_PPP(14)
	      Synchronous PPP driver.

       HCI(15)
	      Bluetooth HCI UART driver.

       GIGASET_M101(16)
	      Driver for Siemens Gigaset M101 serial DECT adapter.

       PPS(18)
	      Driver for serial line Pulse Per Second (PPS) source.

OPTIONS
       -d | --debug
	      Causes  ldattach	to  stay  in  the  foreground  so  that  it can be interrupted or
	      debugged, and to print verbose messages about its progress to  the  standard  error
	      output.

       -h | --help
	      Prints a usage message and exits.

       -V | --version
	      Prints the program version.

       -s value | --speed value
	      Set the speed of the serial line to the specified value.

       -7 | --sevenbits
	      Sets the character size of the serial line to 7 bits.

       -8 | --eightbits
	      Sets the character size of the serial line to 8 bits.

       -n | --noparity
	      Sets the parity of the serial line to none.

       -e | --evenparity
	      Sets the parity of the serial line to even.

       -o | --oddparity
	      Sets the parity of the serial line to odd.

       -1 | --onestopbit
	      Sets the number of stop bits of the serial line to one.

       -2 | --twostopbits
	      Sets the number of stop bits of the serial line to two.

       -i value | --iflag [-]value{,...}
	      Sets  the  specified  bits  in the c_iflag word of the serial line.  Value may be a
	      number or a symbolic name.  If value is prefixed by a minus sign, clear the  speci-
	      fied bits instead.  Several comma separated values may be given in order to set and
	      clear multiple bits.

SEE ALSO
       inputattach(1), ttys(4)

AUTHOR
       Tilman Schmidt (tilman@imap.cc)

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

Linux 2.6				 14 February 2010			      LDATTACH(8)


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