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-<H1 class="no-header">tset 1</H1>
+<H1 class="no-header">tset 1 2023-07-01 ncurses 6.4 User commands</H1>
<PRE>
-<STRONG><A HREF="tset.1.html">tset(1)</A></STRONG>
General Commands Manual <STRONG><A HREF="tset.1.html">tset(1)</A></STRONG>
+<STRONG><A HREF="tset.1.html">tset(1)</A></STRONG>
User commands <STRONG><A HREF="tset.1.html">tset(1)</A></STRONG>
3. (BSD systems only.) The terminal type associated with the standard
error output device in the <EM>/etc/ttys</EM> file. (On System-V-like UNIXes
- and systems using that convention, <EM>getty</EM> does this job by setting <STRONG>TERM</STRONG>
- according to the type passed to it by <EM>/etc/inittab</EM>.)
+ and systems using that convention, <STRONG>getty(1)</STRONG> does this job by setting
+ <STRONG>TERM</STRONG> according to the type passed to it by <EM>/etc/inittab</EM>.)
- 4. The default terminal type, "unknown".
+ 4. The default terminal type, "unknown", is not suitable for curses
+ applications.
- If the terminal type was not specified on the command-line, the <STRONG>-m</STRONG>
+ If the terminal type was not specified on the command-line, the <STRONG>-m</STRONG>
option mappings are then applied (see the section <STRONG>TERMINAL</STRONG> <STRONG>TYPE</STRONG> <STRONG>MAPPING</STRONG>
- 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 confirms the type, or, another type
- can be entered to specify a new type. Once the terminal type has been
+ 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 confirms the type, or, another type
+ can be entered to specify a new type. Once the terminal type has been
determined, the terminal description for the terminal is retrieved. If
no terminal description is found for the type, the user is prompted for
another terminal type.
Once the terminal description is retrieved,
- <STRONG>o</STRONG> if the "<STRONG>-w</STRONG>" option is enabled, <STRONG>tset</STRONG> may update the terminal's
+ <STRONG>o</STRONG> if the "<STRONG>-w</STRONG>" option is enabled, <STRONG>tset</STRONG> may update the terminal's
window size.
- If the window size cannot be obtained from the operating system,
- but the terminal description (or environment, e.g., <STRONG>LINES</STRONG> and
- <STRONG>COLUMNS</STRONG> variables specify this), use this to set the operating
+ If the window size cannot be obtained from the operating system,
+ but the terminal description (or environment, e.g., <STRONG>LINES</STRONG> and
+ <STRONG>COLUMNS</STRONG> variables specify this), use this to set the operating
system's notion of the window size.
- <STRONG>o</STRONG> if the "<STRONG>-c</STRONG>" option is enabled, the backspace, interrupt and line
+ <STRONG>o</STRONG> if the "<STRONG>-c</STRONG>" option is enabled, the backspace, interrupt and line
kill characters (among many other things) are set
- <STRONG>o</STRONG> unless the "<STRONG>-I</STRONG>" option is enabled, the terminal and tab
- <EM>initialization</EM> strings are sent to the standard error output, and
+ <STRONG>o</STRONG> unless the "<STRONG>-I</STRONG>" option is enabled, the terminal and tab
+ <EM>initialization</EM> strings are sent to the standard error output, and
<STRONG>tset</STRONG> waits one second (in case a hardware reset was issued).
- <STRONG>o</STRONG> Finally, if the erase, interrupt and line kill characters have
- changed, or are not set to their default values, their values are
+ <STRONG>o</STRONG> 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.
<STRONG>o</STRONG> resets any unset special characters to their default values
before doing the terminal initialization described above. Also, rather
- than using the terminal <EM>initialization</EM> strings, it uses the terminal
+ than using the terminal <EM>initialization</EM> strings, it uses the terminal
<EM>reset</EM> strings.
- The <STRONG>reset</STRONG> command is useful after a program dies leaving a terminal in
+ The <STRONG>reset</STRONG> command is useful after a program dies leaving a terminal in
an abnormal state:
<STRONG>o</STRONG> you may have to type
<EM><LF></EM><STRONG>reset</STRONG><EM><LF></EM>
(the line-feed character is normally control-J) to get the terminal
- to work, as carriage-return may no longer work in the abnormal
+ to work, as carriage-return may no longer work in the abnormal
state.
<STRONG>o</STRONG> Also, the terminal will often not echo the command.
<STRONG>-c</STRONG> Set control characters and modes.
- <STRONG>-e</STRONG> Set the erase character to <EM>ch</EM>.
+ <STRONG>-e</STRONG> <EM>ch</EM>
+ Set the erase character to <EM>ch</EM>.
- <STRONG>-I</STRONG> Do not send the terminal or tab initialization strings to the
+ <STRONG>-I</STRONG> Do not send the terminal or tab initialization strings to the
terminal.
- <STRONG>-i</STRONG> Set the interrupt character to <EM>ch</EM>.
+ <STRONG>-i</STRONG> <EM>ch</EM>
+ Set the interrupt character to <EM>ch</EM>.
- <STRONG>-k</STRONG> Set the line kill character to <EM>ch</EM>.
+ <STRONG>-k</STRONG> <EM>ch</EM>
+ Set the line kill character to <EM>ch</EM>.
- <STRONG>-m</STRONG> Specify a mapping from a port type to a terminal. See the section
+ <STRONG>-m</STRONG> <EM>mapping</EM>
+ Specify a mapping from a port type to a terminal. See the section
<STRONG>TERMINAL</STRONG> <STRONG>TYPE</STRONG> <STRONG>MAPPING</STRONG> for more information.
- <STRONG>-Q</STRONG> Do not display any values for the erase, interrupt and line kill
- characters. Normally <STRONG>tset</STRONG> displays the values for control
+ <STRONG>-Q</STRONG> Do not display any values for the erase, interrupt and line kill
+ characters. Normally <STRONG>tset</STRONG> displays the values for control
characters which differ from the system's default values.
- <STRONG>-q</STRONG> The terminal type is displayed to the standard output, and the
- terminal is not initialized in any way. The option "-" by itself
+ <STRONG>-q</STRONG> The terminal type is displayed to the standard output, and the
+ terminal is not initialized in any way. The option "-" by itself
is equivalent but archaic.
<STRONG>-r</STRONG> Print the terminal type to the standard error output.
<STRONG>-V</STRONG> reports the version of ncurses which was used in this program, and
exits.
- <STRONG>-w</STRONG> Resize
the window to match the size deduced via <STRONG><A HREF="curs_terminfo.3x.html">setupterm(3x)</A></STRONG>.
- Normally this has no effect, unless <STRONG>setupterm</STRONG> is not able to
+ <STRONG>-w</STRONG> Resize
the window to match the size deduced via <STRONG><A HREF="curs_terminfo.3x.html">setupterm(3x)</A></STRONG>.
+ Normally this has no effect, unless <STRONG>setupterm</STRONG> is not able to
detect the window size.
- The arguments for the <STRONG>-e</STRONG>, <STRONG>-i</STRONG>, and <STRONG>-k</STRONG> options may either be entered as
- actual characters or by using the "hat" notation, i.e., control-h may
+ The arguments for the <STRONG>-e</STRONG>, <STRONG>-i</STRONG>, and <STRONG>-k</STRONG> options may either be entered as
+ actual characters or by using the "hat" notation, i.e., control-h may
be specified as "^H" or "^h".
If neither <STRONG>-c</STRONG> or <STRONG>-w</STRONG> is given, both options are assumed.
</PRE><H2><a name="h2-SETTING-THE-ENVIRONMENT">SETTING THE ENVIRONMENT</a></H2><PRE>
- It is often desirable to enter the terminal type and information about
+ 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 <STRONG>-s</STRONG> option.
- When the <STRONG>-s</STRONG> option is specified, the commands to enter the information
- into the shell's environment are written to the standard output. If
- the <STRONG>SHELL</STRONG> environmental variable ends in "csh", the commands are for
- <STRONG>csh</STRONG>, otherwise, they are for <STRONG>sh</STRONG>. Note, the <STRONG>csh</STRONG> commands set and unset
- the shell variable <STRONG>noglob</STRONG>, leaving it unset. The following line in the
- <STRONG>.login</STRONG> or <STRONG>.profile</STRONG> files will initialize the environment correctly:
+ When the <STRONG>-s</STRONG> option is specified, the commands to enter the information
+ into the shell's environment are written to the standard output. If
+ the <STRONG>SHELL</STRONG> environmental variable ends in "csh", the commands are for
+ <STRONG>csh</STRONG>, otherwise, they are for <STRONG>sh(1)</STRONG>. Note, the <STRONG>csh</STRONG> commands set and
+ unset the shell variable <STRONG>noglob</STRONG>, leaving it unset. The following line
+ in the <STRONG>.login</STRONG> or <STRONG>.profile</STRONG> files will initialize the environment
+ correctly:
eval `tset -s options ... `
the <STRONG>LINES</STRONG> and <STRONG>COLUMNS</STRONG> environment variables may be useful for working
around window-size problems. Those have the drawback that if the
window is resized, those variables must be recomputed and reassigned.
- To do this more easily, use the <STRONG><A HREF="resize.1.html">resize(1)</A></STRONG> program.
+ To do this more easily, use the <STRONG>resize(1)</STRONG> program.
</PRE><H2><a name="h2-ENVIRONMENT">ENVIRONMENT</a></H2><PRE>
The <STRONG>tset</STRONG> command uses these environment variables:
SHELL
- tells <STRONG>tset</STRONG> whether to initialize <STRONG>TERM</STRONG> using <STRONG>sh</STRONG> or <STRONG>csh</STRONG> syntax.
+ tells <STRONG>tset</STRONG> whether to initialize <STRONG>TERM</STRONG> using <STRONG>sh(1)</STRONG> or <STRONG>csh(1)</STRONG>
+ syntax.
- TERM Denotes your terminal type. Each terminal type is distinct,
+ 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 "/", <STRONG>tset</STRONG> removes the
- variable from the environment before looking for the terminal
+ may denote the location of a termcap database. If it is not an
+ absolute pathname, e.g., begins with a "/", <STRONG>tset</STRONG> removes the
+ variable from the environment before looking for the terminal
description.
</PRE><H2><a name="h2-FILES">FILES</a></H2><PRE>
/etc/ttys
- system port name to terminal type mapping database (BSD versions
+ system port name to terminal type mapping database (BSD versions
only).
/usr/share/terminfo
</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
- <STRONG>csh(1)</STRONG>,
<STRONG>sh(1)</STRONG>, <STRONG>stty(1)</STRONG>, <STRONG><A HREF="curs_terminfo.3x.html">curs_terminfo(3x)</A></STRONG>, <STRONG>tty(4)</STRONG>, <STRONG><A HREF="terminfo.5.html">terminfo(5)</A></STRONG>,
+ <STRONG>csh(1)</STRONG>,
<STRONG>sh(1)</STRONG>, <STRONG>stty(1)</STRONG>, <STRONG><A HREF="curs_terminfo.3x.html">curs_terminfo(3x)</A></STRONG>, <STRONG>tty(4)</STRONG>, <STRONG><A HREF="terminfo.5.html">terminfo(5)</A></STRONG>,
<STRONG>ttys(5)</STRONG>, <STRONG>environ(7)</STRONG>
- This describes <STRONG>ncurses</STRONG> version 6.2 (patch 20210821).
+ This describes <STRONG>ncurses</STRONG> version 6.4 (patch 20230909).
-
<STRONG><A HREF="tset.1.html">tset(1)</A></STRONG>
+
ncurses 6.4 2023-07-01 <STRONG><A HREF="tset.1.html">tset(1)</A></STRONG>
</PRE>
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