X-Git-Url: http://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=doc%2Fhtml%2Fman%2Ftset.1.html;h=3ecc39a295096408e59f7c45f5e0aba36c8b68b3;hb=5dbe81a41e3c75806996cd762b9e55dcc9edb835;hp=0910b4edbadd5cc8e83f9cafa004d31f3c803812;hpb=a8987e73ec254703634802b4f7ee30d3a485524d;p=ncurses.git diff --git a/doc/html/man/tset.1.html b/doc/html/man/tset.1.html index 0910b4ed..3ecc39a2 100644 --- a/doc/html/man/tset.1.html +++ b/doc/html/man/tset.1.html @@ -1,7 +1,6 @@ - +
+ +- -tset(1) tset(1) +tset(1) tset(1) --
+
tset, reset - terminal initialization --
- tset [-IQVqrs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] +
+ tset [-IQVcqrsw] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal] - reset [-IQVqrs] [-] [-e ch] [-i ch] [-k ch] [-m mapping] + reset [-IQVcqrsw] [-] [-e ch] [-i ch] [-k ch] [-m mapping] [terminal] --
+
+ +
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. @@ -70,31 +69,37 @@ 3. (BSD systems only.) The terminal type associated with the standard error output device in the /etc/ttys file. - (On Linux and System-V-like UNIXes, getty does this job by - setting TERM according to the type passed to it by - /etc/inittab.) + (On System-V-like UNIXes and systems using that conven- + 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 below - for more information). Then, if the terminal type begins - with a question mark (``?''), the user is prompted for - confirmation of the terminal type. An empty response con- - firms 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 found for the type, the user is prompted - for another terminal type. - - Once the terminfo entry is retrieved, the window size, - backspace, interrupt and line kill characters (among many + 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 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 + found for the type, the user is prompted for another ter- + minal type. + + Once the terminfo entry is retrieved, the window size, + backspace, interrupt and line kill characters (among many other things) are set and the terminal and tab initializa- - tion strings are sent to the standard error output. - Finally, if the erase, interrupt and line kill characters - have changed, or are not set to their default values, - their values are displayed to the standard error output. + tion strings are sent to the standard error output. + Finally, if the erase, interrupt and line kill characters + have changed, or are not set to their default values, + their values are displayed to the standard error output. + Use the -c or -w option to select only the window sizing + versus the other initialization. If neither option is + given, both are assumed. + +
When invoked as reset, tset sets cooked and echo modes, turns off cbreak and raw modes, turns on newline transla- tion and resets any unset special characters to their @@ -110,44 +115,53 @@ the abnormal state. Also, the terminal will often not echo the command. + +
The options are as follows: - -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. + -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. - -Q Don't display any values for the erase, interrupt and - line kill characters. - - -V reports the version of ncurses which was used in this - program, and exits. - -i Set the interrupt character to ch. -k Set the line kill character to ch. -m Specify a mapping from a port type to a terminal. - See below for more information. + See the section TERMINAL TYPE MAPPING for more infor- + mation. + + -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 + system's default values. + + -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 below on setting the environment for - details. + 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 + 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". --
+
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. @@ -155,7 +169,7 @@ 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 @@ -164,9 +178,7 @@ eval `tset -s options ... ` - --
+
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 @@ -176,136 +188,169 @@ 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 - specification, 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. + type, an optional operator, an optional baud rate specifi- + 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. If the terminal type is not specified on the command line, - the -m mappings are applied to the terminal type. If the - port type and baud rate match the mapping, the terminal - type specified in the mapping replaces the current type. - If more than one mapping is specified, the first applica- + the -m mappings are applied to the terminal type. If the + port type and baud rate match the mapping, the terminal + type specified in the mapping replaces the current type. + If more than one mapping is specified, the first applica- ble mapping is used. - For example, consider the following mapping: + For example, consider the following mapping: dialup>9600:vt100. The port type is dialup , the operator - is >, the baud rate specification is 9600, and the termi- + is >, the baud rate specification is 9600, and the termi- nal type is vt100. The result of this mapping is to spec- ify that if the terminal type is dialup, and the baud rate - is greater than 9600 baud, a terminal type of vt100 will + is greater than 9600 baud, a terminal type of vt100 will be used. If no baud rate is specified, the terminal type will match any baud rate. If no port type is specified, the terminal - type will match any port type. For example, -m + type will match any port type. For example, -m dialup:vt100 -m :?xterm will cause any dialup port, regardless of baud rate, to match the terminal type vt100, - and any non-dialup port type to match the terminal type - ?xterm. Note, because of the leading question mark, the - user will be queried on a default port as to whether they + and any non-dialup port type to match the terminal type + ?xterm. Note, because of the leading question mark, the + user will be queried on a default port as to whether they are actually using an xterm terminal. - No whitespace characters are permitted in the -m option - 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 (``!''). + No whitespace characters are permitted in the -m option + 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 exclamation + marks ("!"). --
- The tset command appeared in BSD 3.0. The ncurses imple- - mentation was lightly adapted from the 4.4BSD sources for +
+ 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- sus.com>. --
- 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 - each dial-up line; this obviates what was tset's most - important use). This implementation behaves like 4.4BSD +
+ Neither IEEE Std 1003.1/The Open Group Base Specifications + Issue 7 (POSIX.1-2008) nor X/Open Curses Issue 7 documents + tset or reset. + + 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 + 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 + 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 - TERMCAP variable is no longer supported under terminfo- + 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). - There was an undocumented 4.4BSD feature that invoking + There was an undocumented 4.4BSD feature that invoking tset via a link named `TSET` (or via any other name begin- - ning with an upper-case letter) set the terminal to use + ning with an upper-case letter) set the terminal to use upper-case only. This feature has been omitted. - The -A, -E, -h, -u and -v options were deleted from the - tset utility in 4.4BSD. None of them were documented in - 4.3BSD and all are of limited utility at best. The -a, -, - and - - 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 option - remains, but has no effect. The -adnp options are there- - fore omitted from the usage summary above. - - It is still permissible to specify the -e, -i, and -k - options without arguments, although it is strongly recom- - mended that such usage be fixed to explicitly specify the + The -A, -E, -h, -u and -v options were deleted from the + tset utility in 4.4BSD. None of them were documented in + 4.3BSD and all are of limited utility at best. The -a, + -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 -a, + -d, and -p options are therefore omitted from the usage + summary above. + + Very old systems, e.g., 3BSD, used a different terminal + driver which was replaced in 4BSD in the early 1980s. To + accommodate these older systems, the 4BSD tset provided a + -n option to specify that the new terminal driver should + be used. This implementation does not provide that + choice. + + It is still permissible to specify the -e, -i, and -k + options without arguments, although it is strongly recom- + mended that such usage be fixed to explicitly specify the character. - As of 4.4BSD, executing tset as reset no longer implies + As of 4.4BSD, executing tset as reset no longer implies the -Q option. Also, the interaction between the - option and the terminal argument in some historic implementations of tset has been removed. --
- The tset command uses the SHELL and TERM environment vari- - ables. +
+ The tset command uses these environment variables: + SHELL + tells tset whether to initialize TERM using sh or csh + syntax. --
+ TERM Denotes your terminal type. Each terminal type is + distinct, though many are similar. + + TERMCAP + may denote the location of a termcap database. If it + is not an absolute pathname, e.g., begins with a `/', + tset removes the variable from the environment before + looking for the terminal description. + + +
/etc/ttys - system port name to terminal type mapping database + system port name to terminal type mapping database (BSD versions only). /usr/share/terminfo terminal capability database --
- csh(1), sh(1), stty(1), tty(4), termcap(5), ttys(5), envi- - ron(7) +
+ csh(1), sh(1), stty(1), curs_terminfo(3x), tty(4), + terminfo(5), ttys(5), environ(7) + This describes ncurses version 6.0 (patch 20160514). - tset(1) + tset(1)-