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sttydefs(8)
System Administration Commands sttydefs(8)
NAME
sttydefs - maintain line settings and hunt sequences for TTY ports
SYNOPSIS
/usr/sbin/sttydefs -a ttylabel [-b] [-f final-flags]
[-i initial-flags] [-n nextlabel]
/usr/sbin/sttydefs -l [ttylabel]
/usr/sbin/sttydefs -r ttylabel
DESCRIPTION
sttydefs is an administrative command that maintains the line settings
and hunt sequences for the system's TTY ports by making entries in, and
deleting entries from the /etc/ttydefs file.
sttydefs with a -a or -r option may be invoked only by the super-user.
sttydefs with -l may be invoked by any user on the system.
OPTIONS
The following options are supported:
-a ttylabel Add a record to the ttydefs file, using ttylabel as
its label. The following describes the effect of
the -b, -n, -i, or -f options when used in conjunc‐
tion with the -a option:
-b Enable autobaud. Autobaud allows the system to set
the line speed of a given TTY port to the line
speed of the device connected to the port without
the user's intervention.
-f final-flags Specify the value to be used in the final-flags
field in /etc/ttydefs. final-flags must be in a
format recognized by the stty command. final-flags
are the termio(4I) settings used by ttymon after
receiving a successful connection request and imme‐
diately before invoking the service on the port. If
this option is not specified, sttydefs will set
final-flags equal to the termio(4I) flags 9600 and
sane.
-i initial-flags Specify the value to be used in the initial-flags
field in /etc/ttydefs. initial-flags must be in a
format recognized by the stty command. These flags
are used by ttymon when searching for the correct
baud rate. They are set prior to writing the
prompt. If this option is not specified, sttydefs
will set initial-flags equal to the termio(4I) flag
9600.
-n nextlabel Specify the value to be used in the nextlabel field
in /etc/ttydefs. If this option is not specified,
sttydefs will set nextlabel equal to ttylabel.
-l[ttylabel] If a ttylabel is specified, sttydefs displays the
record from /etc/ttydefs whose TTY label matches
the specified ttylabel. If no ttylabel is speci‐
fied, sttydefs displays the entire contents of
/etc/ttydefs. sttydefs verifies that each entry it
displays is correct and that the entry's nextlabel
field references an existing
-r ttylabel Remove any record in the ttydefs file that has tty‐
label as its label.
OUTPUT
If successful, sttydefs will exit with a status of 0. sttydefs -l will
generate the requested information and send it to standard output.
EXAMPLES
Example 1 A sample of sttydefs command.
The following command lists all the entries in the ttydefs file and
prints an error message for each invalid entry that is detected.
example# sttydefs -l
The following shows a command that requests information for a single
label and its output:
example# sttydefs -l 9600
------------------------------------------------------------------
9600:9600 hupcl erase ^h:9600 sane ixany tab3 hupcl erase ^h::4800
------------------------------------------------------------------
ttylabel: 9600
initial flags: 9600 hupcl erase ^h
final flags: 9600 sane ixany tab3 hupcl erase ^h
autobaud: no
nextlabel: 4800
The following sequence of commands will add the labels 1200, 2400,
4800, and 9600 and put them in a circular list:
sttydefs -a 1200 -n 2400 -i 1200 -f "1200 sane"
sttydefs -a 2400 -n 4800 -i 2400 -f "2400 sane"
sttydefs -a 4800 -n 9600 -i 4800 -f "4800 sane"
sttydefs -a 9600 -n 1200 -i 9600 -f "9600 sane"
FILES
/etc/ttydefs
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Availabilitysystem/core-os
SEE ALSO
termio(4I), attributes(7)
Oracle Solaris 11.4 14 Sep 1992 sttydefs(8)