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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:42:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 02:42:50 +0000
commit8cb83eee5a58b1fad74c34094ce3afb9e430b5a4 (patch)
treea9b2e7baeca1be40eb734371e3c8b11b02294497 /sys-utils/ldattach.8
parentInitial commit. (diff)
downloadutil-linux-upstream/2.33.1.tar.xz
util-linux-upstream/2.33.1.zip
Adding upstream version 2.33.1.upstream/2.33.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+.\" Copyright 2008 Tilman Schmidt (tilman@imap.cc)
+.\" May be distributed under the GNU General Public License version 2 or later
+.TH LDATTACH 8 "July 2014" "util-linux" "System Administration"
+.SH NAME
+ldattach \- attach a line discipline to a serial line
+.SH SYNOPSIS
+.B ldattach
+.RB [ \-1278denoVh ]
+.RB [ \-i
+.IR iflag ]
+.RB [ \-s
+.IR speed ]
+.I ldisc device
+.SH DESCRIPTION
+The
+.B ldattach
+daemon opens the specified
+.I device
+file
+(which should refer to a serial device)
+and attaches the line discipline
+.I 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.
+.sp
+The line discipline
+.I ldisc
+may be specified either by name
+or by number.
+.sp
+In order to detach the line discipline,
+.BR kill (1)
+the
+.B ldattach
+process.
+.sp
+With no arguments,
+.B ldattach
+prints usage information.
+.SH LINE DISCIPLINES
+Depending on the kernel release, the following line disciplines are supported:
+.TP
+.BR TTY ( 0 )
+The default line discipline,
+providing transparent operation (raw mode)
+as well as the habitual terminal line editing capabilities (cooked mode).
+.TP
+.BR SLIP ( 1 )
+Serial Line IP (SLIP) protocol processor
+for transmitting TCP/IP packets over serial lines.
+.TP
+.BR MOUSE ( 2 )
+Device driver for RS232 connected pointing devices (serial mice).
+.TP
+.BR PPP ( 3 )
+Point to Point Protocol (PPP) processor
+for transmitting network packets over serial lines.
+.TP
+.BR STRIP ( 4 )
+.TP
+.BR AX25 ( 5 )
+.TP
+.BR X25 ( 6 )
+Line driver for transmitting X.25 packets over asynchronous serial lines.
+.TP
+.BR 6PACK ( 7 )
+.TP
+.BR R3964 ( 9 )
+Driver for Simatic R3964 module.
+.TP
+.BR IRDA ( 11 )
+Linux IrDa (infrared data transmission) driver -
+see http://irda.sourceforge.net/
+.TP
+.BR HDLC ( 13 )
+Synchronous HDLC driver.
+.TP
+.BR SYNC_PPP ( 14 )
+Synchronous PPP driver.
+.TP
+.BR HCI ( 15 )
+Bluetooth HCI UART driver.
+.TP
+.BR GIGASET_M101 ( 16 )
+Driver for Siemens Gigaset M101 serial DECT adapter.
+.TP
+.BR PPS ( 18 )
+Driver for serial line Pulse Per Second (PPS) source.
+.TP
+.BR GSM0710 ( 21 )
+Driver for GSM 07.10 multiplexing protocol modem (CMUX).
+.SH OPTIONS
+.TP
+.BR \-1 , " \-\-onestopbit"
+Set the number of stop bits of the serial line to one.
+.TP
+.BR \-2 , " \-\-twostopbits"
+Set the number of stop bits of the serial line to two.
+.TP
+.BR \-7 , " \-\-sevenbits"
+Set the character size of the serial line to 7 bits.
+.TP
+.BR \-8 , " \-\-eightbits"
+Set the character size of the serial line to 8 bits.
+.TP
+.BR \-d , " \-\-debug"
+Keep
+.B ldattach
+in the foreground so that it can be interrupted or debugged,
+and to print verbose messages about its progress to standard error output.
+.TP
+.BR \-e , " \-\-evenparity"
+Set the parity of the serial line to even.
+.TP
+.BR -i , " --iflag " [ \- ] \fIvalue\fR...
+Set the specified bits in the c_iflag word of the serial line.
+The given \fIvalue\fP may be a number or a symbolic name.
+If \fIvalue\fP is prefixed by a minus sign, the specified bits are cleared
+instead. Several comma-separated values may be given in order to
+set and clear multiple bits.
+.TP
+.BR \-n , " \-\-noparity"
+Set the parity of the serial line to none.
+.TP
+.BR \-o , " \-\-oddparity"
+Set the parity of the serial line to odd.
+.TP
+.BR \-s , " \-\-speed " \fIvalue
+Set the speed (the baud rate) of the serial line to the specified \fIvalue\fR.
+.TP
+.BR \-c , " \-\-intro\-command " \fIstring
+Define an intro command that is sent through the serial line before the invocation
+of ldattach. E.g. in conjunction with line discipline GSM0710, the command
+\'AT+CMUX=0\\r\' is commonly suitable to switch the modem into the CMUX mode.
+.TP
+.BR \-p , " \-\-pause " \fIvalue
+Sleep for \fIvalue\fR seconds before the invocation of ldattach. Default is one second.
+.TP
+.BR \-V , " \-\-version"
+Display version information and exit.
+.TP
+.BR \-h , " \-\-help"
+Display help text and exit.
+.SH "SEE ALSO"
+.BR inputattach (1),
+.BR ttys (4)
+.SH AUTHOR
+.nf
+Tilman Schmidt (tilman@imap.cc)
+.fi
+.SH AVAILABILITY
+The ldattach command is part of the util-linux package
+and is available from
+https://www.kernel.org/pub/linux/utils/util-linux/.