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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SEE ALSO | AUTHORS | COLOPHON |
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SLATTACH(8) Linux System Administrator's Manual SLATTACH(8)
slattach - attach a network interface to a serial line
slattach [-dehlLmnqv] [-c command ] [-p proto ] [-s speed] [tty]
Slattach is a tiny program that can be used to put a normal
terminal ("serial") line into one of several "network" modes, thus
allowing you to use it for point-to-point links to other
computers.
tty Path to a serial device like /dev/ttyS*, /dev/cua* or
/dev/ptmx to spawn a new pseudo tty.
-c command
Execute command when the line is hung up. This can be used
to run scripts or re-establish connections when a link goes
down.
-d Enable debugging output. Useful when determining why a
given setup doesn't work.
-h Exit when the carrier is lost. This works on both /dev/tty
and /dev/cua devices by directly monitoring the carrier
status every 15 seconds.
-v Enable verbose output. Useful in shell scripts.
-q Operate in quiet mode - no messages at all.
-l Create an UUCP-style lockfile for the device in /var/lock.
-n Equivalent to the "mesg n" command.
-m Do not initialize the line into 8-bit raw mode.
-e Exit right after initializing device, instead of waiting
for the line to hang up.
-L Enable 3 wire operation. The terminal is moved into CLOCAL
mode, carrier watching is disabled.
-p proto
Set a specific kind of protocol to use on the line. The
default is set to cslip, i.e. compressed SLIP. Other
possible values are slip (normal SLIP), adaptive (adaptive
CSLIP/SLIP), ppp (Point-to-Point Protocol) and kiss (a
protocol used for communicating with AX.25 packet radio
terminal node controllers). The special argument tty can
be used to put the device back into normal serial
operation. Using 'ppp' mode normally requires an
additional ppp daemon pppd to be active on the line. For
kiss connections the kissattach program should be used.
-s speed
Set a specific line speed, other than the default.
If no arguments are given, the current terminal line (usually: the
login device) is used. Otherwise, an attempt is made to claim the
indicated terminal port, lock it, and open it.
/dev/cua* /var/lock/LCK.* /dev/ttyS* /dev/ptmx
Homepage of the net-tools project:
⟨https://net-tools.sourceforge.io⟩
kissattach(8), dip(8), pppd(8), sliplogin(8)
Fred N. van Kempen <waltje@uwalt.nl.mugnet.org>,
Alan Cox <Alan.Cox@linux.org>,
Miquel van Smoorenburg <miquels@drinkel.ow.org>,
George Shearer <gshearer@one.net>,
Yossi Gottlieb <yogo@math.tau.ac.il>,
Bernd Eckenfels <net-tools@lina.inka.de>.
This page is part of the net-tools (networking utilities) project.
Information about the project can be found at
⟨http://net-tools.sourceforge.net/⟩. If you have a bug report for
this manual page, see ⟨http://net-tools.sourceforge.net/⟩. This
page was obtained from the project's upstream Git repository
⟨git://git.code.sf.net/p/net-tools/code⟩ on 2026-01-16. (At that
time, the date of the most recent commit that was found in the
repository was 2025-12-12.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
net-tools 2025-09-10 SLATTACH(8)
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HTML rendering created 2026-01-16 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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