HP-UX Reference (11i v2 07/12) - 1 User Commands N-Z (vol 2)

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stty(1) stty(1)

+queryGSP Print the status of the Guardian Service Processor (GSP) of the console. This

function can be used only by the superuser. This feature is available only on

speciﬁc hardware.

Control Character Default Assignments

The control characters are assigned default values when the terminal port is opened, see termio(7). The

default values used are those speciﬁed by the System V Interface Deﬁnition, Third Edition (SVID3), except

for the

werase and lnext control characters, which are set to

_POSIX_VDISABLE

to maintain binary

compatibility with previous releases of HP-UX.

The default values for the control characters may be changed by a user with root capability by using

stty

and redirecting stdin to the device /dev/ttyconf . Any of the four command forms speciﬁed in the

Description section above may be used. However, only the control character defaults will be reported or

altered. It will have no effect on the defaults for any of the other modes.

Note that these defaults will be used for all terminal ports in the system, except the system console, and

the changes will not become effective for a particular port until it is (re)opened. The default control charac-

ter assignment will not work with the system console because the system console is never closed while the

system is running, and therefore cannot be reopened.

Care should be exercised when re-assigning the control character defaults. Control character values should

be tested with applications before assigning them as a default value.

EXTERNAL INFLUENCES

Environment Variables

LC_CTYPE determines the valid control characters for printing.

If LC_CTYPE is not speciﬁed in the environment or is set to the empty string, the value of

LANG is used as

a default for each unspeciﬁed or empty variable. If

LANG is not speciﬁed or is set to the empty string, a

default of "C" (see lang(5)) is used instead of LANG. If any internationalization variable contains an invalid

setting, stty behaves as if all internationalization variables are set to "C". See environ(5).

International Code Set Support

Single-byte character code sets are supported.

EXAMPLES

stty kill ’ˆX’ intr ’ˆC’

The above command sets the delete-line character to ˆX (Ctrl-X) and the interrupt character to ˆC. This

command is usually found in the

.login or .profile ﬁle so that ˆX and ˆC need not be set by the

user at each login session.

stty kill ’ˆX’ intr ’ˆC’ werase ’ˆW’ </dev/ttyconf

The above command sets the default values for the delete-line character to ˆX (Ctrl-X), the interrupt char-

acter to ˆC, and the word erase character to ˆW. Any terminal port opened after this command is issued

will see these new default values for the kill, intr, and werase control characters.

WARNINGS

Use of

raw mode produces certain side effects which have varied from release to release in the past and

may vary in the future. Relying on these side effects in applications can lead to unreliable results in the

future and is therefore discouraged.

DEPENDENCIES

Refer to the DEPENDENCIES section of termio(7) for a further description of capabilities that are not sup-

ported.