+
tset, reset - terminal initialization
-SYNOPSIS
+
tset [-IQVcqrsw] [-] [-e ch] [-i ch] [-k ch] [-m mapping]
[terminal]
reset [-IQVcqrsw] [-] [-e ch] [-i ch] [-k ch] [-m mapping]
@@ -59,7 +59,7 @@
-DESCRIPTION
+
Tset initializes terminals. Tset first determines the
type of terminal that you are using. This determination
is done as follows, using the first terminal type found.
@@ -74,14 +74,14 @@
tion, getty does this job by setting TERM according to the
type passed to it by /etc/inittab.)
- 4. The default terminal type, ``unknown''.
+ 4. The default terminal type, "unknown".
If the terminal type was not specified on the command-
line, the -m option mappings are then applied (see the
section TERMINAL TYPE MAPPING for more information).
Then, if the terminal type begins with a question mark
- (``?''), the user is prompted for confirmation of the ter-
- minal type. An empty response confirms the type, or,
+ ("?"), the user is prompted for confirmation of the termi-
+ nal type. An empty response confirms the type, or,
another type can be entered to specify a new type. Once
the terminal type has been determined, the terminfo entry
for the terminal is retrieved. If no terminfo entry is
@@ -116,8 +116,9 @@
The options are as follows:
- -c Set control characters and modes. -e Set the erase
- character to ch.
+ -c Set control characters and modes.
+
+ -e Set the erase character to ch.
-I Do not send the terminal or tab initialization
strings to the terminal.
@@ -126,40 +127,39 @@
-k Set the line kill character to ch.
- -m Specify a mapping from a port type to a terminal.
+ -m Specify a mapping from a port type to a terminal.
See the section TERMINAL TYPE MAPPING for more infor-
mation.
- -Q Do not display any values for the erase, interrupt
+ -Q Do not display any values for the erase, interrupt
and line kill characters. Normally tset displays the
- values for control characters which differ from the
+ values for control characters which differ from the
system's default values.
- -q The terminal type is displayed to the standard out-
- put, and the terminal is not initialized in any way.
+ -q The terminal type is displayed to the standard out-
+ put, and the terminal is not initialized in any way.
The option `-' by itself is equivalent but archaic.
-r Print the terminal type to the standard error output.
- -s Print the sequence of shell commands to initialize
+ -s Print the sequence of shell commands to initialize
the environment variable TERM to the standard output.
See the section SETTING THE ENVIRONMENT for details.
-V reports the version of ncurses which was used in this
program, and exits.
- -w Resize the window to match the size deduced via
+ -w Resize the window to match the size deduced via
setupterm. Normally this has no effect, unless
setupterm is not able to detect the window size.
The arguments for the -e, -i, and -k options may either be
- entered as actual characters or by using the `hat' nota-
- tion, i.e., control-h may be specified as ``^H'' or
- ``^h''.
+ entered as actual characters or by using the `hat' nota-
+ tion, i.e., control-h may be specified as "^H" or "^h".
-SETTING THE ENVIRONMENT
+
It is often desirable to enter the terminal type and
information about the terminal's capabilities into the
shell's environment. This is done using the -s option.
@@ -167,7 +167,7 @@
When the -s option is specified, the commands to enter the
information into the shell's environment are written to
the standard output. If the SHELL environmental variable
- ends in ``csh'', the commands are for csh, otherwise, they
+ ends in "csh", the commands are for csh, otherwise, they
are for sh. Note, the csh commands set and unset the
shell variable noglob, leaving it unset. The following
line in the .login or .profile files will initialize the
@@ -177,7 +177,7 @@
-TERMINAL TYPE MAPPING
+
When the terminal is not hardwired into the system (or the
current system information is incorrect) the terminal type
derived from the /etc/ttys file or the TERM environmental
@@ -187,21 +187,21 @@
terminal used on such ports.
The purpose of the -m option is to map from some set of
- conditions to a terminal type, that is, to tell tset ``If
+ conditions to a terminal type, that is, to tell tset "If
I'm on this port at a particular speed, guess that I'm on
- that kind of terminal''.
+ that kind of terminal".
The argument to the -m option consists of an optional port
type, an optional operator, an optional baud rate specifi-
- cation, an optional colon (``:'') character and a terminal
+ cation, an optional colon (":") character and a terminal
type. The port type is a string (delimited by either the
operator or the colon character). The operator may be any
- combination of ``>'', ``<'', ``@'', and ``!''; ``>'' means
- greater than, ``<'' means less than, ``@'' means equal to
- and ``!'' inverts the sense of the test. The baud rate is
- specified as a number and is compared with the speed of
- the standard error output (which should be the control
- terminal). The terminal type is a string.
+ combination of ">", "<", "@", and "!"; ">" means greater
+ than, "<" means less than, "@" means equal to and "!"
+ inverts the sense of the test. The baud rate is specified
+ as a number and is compared with the speed of the standard
+ error output (which should be the control terminal). The
+ terminal type is a string.
If the terminal type is not specified on the command line,
the -m mappings are applied to the terminal type. If the
@@ -232,12 +232,12 @@
argument. Also, to avoid problems with meta-characters,
it is suggested that the entire -m option argument be
placed within single quote characters, and that csh users
- insert a backslash character (``\'') before any exclama-
- tion marks (``!'').
+ insert a backslash character ("\") before any exclamation
+ marks ("!").
-HISTORY
+
The tset command appeared in BSD 3.0. The ncurses imple-
mentation was lightly adapted from the 4.4BSD sources for
a terminfo environment by Eric S. Raymond <esr@snark.thyr-
@@ -245,17 +245,17 @@
-COMPATIBILITY
+
The tset utility has been provided for backward-compati-
bility with BSD environments (under most modern UNIXes,
- /etc/inittab and getty(1) can set TERM appropriately for
+ /etc/inittab and getty(1) can set TERM appropriately for
each dial-up line; this obviates what was tset's most
important use). This implementation behaves like 4.4BSD
tset, with a few exceptions specified here.
The -S option of BSD tset no longer works; it prints an
error message to stderr and dies. The -s option only sets
- TERM, not TERMCAP. Both these changes are because the
+ TERM, not TERMCAP. Both of these changes are because the
TERMCAP variable is no longer supported under terminfo-
based ncurses, which makes tset -S useless (we made it die
noisily rather than silently induce lossage).
@@ -271,7 +271,7 @@
-d, and -p options are similarly not documented or useful,
but were retained as they appear to be in widespread use.
It is strongly recommended that any usage of these three
- options be changed to use the -m option instead. The -n
+ options be changed to use the -m option instead. The -n
option remains, but has no effect. The -adnp options are
therefore omitted from the usage summary above.
@@ -287,7 +287,7 @@
-ENVIRONMENT
+
The tset command uses these environment variables:
SHELL
@@ -305,7 +305,7 @@
-FILES
+
/etc/ttys
system port name to terminal type mapping database
(BSD versions only).
@@ -315,20 +315,29 @@
-SEE ALSO
- csh(1), sh(1), stty(1), curs_terminfo(3x), tty(4), ter-
- minfo(5), ttys(5), environ(7)
+
+ csh(1), sh(1), stty(1), curs_terminfo(3x), tty(4),
+ terminfo(5), ttys(5), environ(7)
- This describes ncurses version 5.7 (patch 20100918).
+ This describes ncurses version 6.0 (patch 20150718).
tset(1)
-
-
-Man(1) output converted with
-man2html
-
+