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1.1 root 1: .\" Copyright (c) 1983 Regents of the University of California.
2: .\" All rights reserved. The Berkeley software License Agreement
3: .\" specifies the terms and conditions for redistribution.
4: .\"
5: .\" @(#)stty.1 6.4 (Berkeley) 5/5/86
6: .\"
7: .TH STTY 1 "May 5, 1986"
8: .UC 4
9: .SH NAME
10: stty \- set terminal options
11: .SH SYNOPSIS
12: .B stty
13: [ option ... ]
14: .SH DESCRIPTION
15: .I Stty
16: sets certain I/O options on the current output terminal,
17: placing its output on the diagnostic output.
18: With no argument, it reports the speed of the terminal and the
19: settings of the options which are different from their defaults.
20: Use of one of the following options modifies the output as described:
21: .TP 10
22: .B all
23: All normally used option settings are reported.
24: .TP 10
25: .B everything
26: Everything
27: .I stty
28: knows about is printed.
29: .TP 10
30: .B speed
31: The terminal speed alone is printed on the standard output.
32: .TP 10
33: .B size
34: The terminal (window) sizes are printed on the standard output,
35: first rows and then columns.
36: .sp
37: The option strings are
38: selected from the following set:
39: .TP 10
40: .B even
41: allow even parity input
42: .br
43: .ns
44: .TP 10
45: .B \-even
46: disallow even parity input
47: .br
48: .ns
49: .TP 10
50: .B odd
51: allow odd parity input
52: .br
53: .ns
54: .TP 10
55: .B \-odd
56: disallow odd parity input
57: .br
58: .ns
59: .TP 10
60: .B raw
61: raw mode input
62: (\fBno\fR input processing (erase, kill, interrupt, ...); parity bit passed back)
63: .br
64: .ns
65: .TP 10
66: .B \-raw
67: negate raw mode
68: .br
69: .ns
70: .TP 10
71: .B cooked
72: same as `\-raw'
73: .br
74: .ns
75: .TP 10
76: .B cbreak
77: make each character available to
78: .IR read (2)
79: as received; no erase and kill processing,
80: but all other processing (interrupt, suspend, ...) is performed
81: .br
82: .ns
83: .TP 10
84: .B \-cbreak
85: make characters available to
86: .I read
87: only when newline is received
88: .br
89: .ns
90: .TP 10
91: .B \-nl
92: allow carriage return for new-line,
93: and output CR-LF for carriage return or new-line
94: .br
95: .ns
96: .TP 10
97: .B nl
98: accept only new-line to end lines
99: .br
100: .ns
101: .TP 10
102: .B echo
103: echo back every character typed
104: .br
105: .ns
106: .TP 10
107: .B \-echo
108: do not echo characters
109: .br
110: .ns
111: .TP 10
112: .B lcase
113: map upper case to lower case
114: .br
115: .ns
116: .TP 10
117: .B \-lcase
118: do not map case
119: .br
120: .ns
121: .TP 10
122: .B tandem
123: enable flow control, so that the system sends out the stop character when
124: its internal queue is in danger of overflowing on input, and sends the
125: start character when it is ready to accept further input
126: .br
127: .ns
128: .TP 10
129: .B \-tandem
130: disable flow control
131: .br
132: .ns
133: .TP 10
134: .B \-tabs
135: replace tabs by spaces when printing
136: .br
137: .ns
138: .TP 10
139: .B tabs
140: preserve tabs
141: .br
142: .ns
143: .TP 10
144: .B ek
145: set erase and kill characters to # and @
146: .br
147: .ns
148: .PP
149: For the following commands which take a character argument \fIc\fR,
150: you may also specify \fIc\fR as the ``u'' or ``undef'', to set the value
151: to be undefined. A value of ``^x'', a 2 character sequence, is also
152: interpreted as a control character, with ``^?'' representing delete.
153: .TP 10
154: .BI erase \ c\fR
155: set erase character to
156: .I c
157: (default `#', but often reset to ^H.)
158: .br
159: .ns
160: .TP 10
161: .BI kill \ c\fR
162: set kill character to
163: .I c
164: (default `@', but often reset to ^U.)
165: .br
166: .ns
167: .TP 10
168: .BI intr \ c\fR
169: set interrupt character to
170: .I c
171: (default DEL or ^? (delete), but often reset to ^C.)
172: .br
173: .ns
174: .TP 10
175: .BI quit \ c\fR
176: set quit character to
177: .I c
178: (default control \e.)
179: .br
180: .ns
181: .TP 10
182: .BI start \ c\fR
183: set start character to
184: .I c
185: (default control Q.)
186: .br
187: .ns
188: .TP 10
189: .BI stop \ c\fR
190: set stop character to
191: .I c
192: (default control S.)
193: .br
194: .ns
195: .TP 10
196: .BI eof \ c\fR
197: set end of file character to
198: .I c
199: (default control D.)
200: .br
201: .ns
202: .TP 10
203: .BI brk \ c\fR
204: set break character to
205: .I c
206: (default undefined.)
207: This character is an additional character causing wakeup.
208: .br
209: .ns
210: .TP 10
211: .B cr0 cr1 cr2 cr3
212: .br
213: select style of delay for carriage return (see
214: .IR ioctl (2))
215: .br
216: .ns
217: .TP 10
218: .B nl0 nl1 nl2 nl3
219: .br
220: select style of delay for linefeed
221: .br
222: .ns
223: .TP 10
224: .B tab0 tab1 tab2 tab3
225: .br
226: select style of delay for tab
227: .br
228: .ns
229: .TP 10
230: .B ff0 ff1
231: select style of delay for form feed
232: .br
233: .ns
234: .TP 10
235: .B bs0 bs1
236: select style of delay for backspace
237: .br
238: .TP 10
239: .B tty33
240: set all modes suitable for the
241: Teletype Corporation Model 33 terminal.
242: .br
243: .ns
244: .TP 10
245: .B tty37
246: set all modes suitable for the
247: Teletype Corporation Model 37 terminal.
248: .br
249: .ns
250: .TP 10
251: .B vt05
252: set all modes suitable for Digital Equipment Corp. VT05 terminal
253: .br
254: .ns
255: .TP 10
256: .B dec
257: set all modes suitable for Digital Equipment Corp. operating systems
258: users; (erase, kill, and interrupt characters to ^?, ^U, and ^C,
259: decctlq and ``newcrt''.)
260: .ns
261: .TP 10
262: .B tn300
263: set all modes suitable for a General Electric TermiNet 300
264: .br
265: .ns
266: .TP 10
267: .B ti700
268: set all modes suitable for Texas Instruments 700 series terminal
269: .br
270: .ns
271: .TP 10
272: .B tek
273: set all modes suitable for Tektronix 4014 terminal
274: .br
275: .ns
276: .TP 10
277: .B 0
278: hang up phone line immediately
279: .br
280: .ns
281: .TP 10
282: .B "50 75 110 134 150 200 300 600 1200 1800 2400 4800 9600 exta extb"
283: .br
284: Set terminal baud rate to the number given, if possible.
285: (These are the speeds supported by the DH-11 interface).
286: .TP 10
287: .BI rows \ n\fR
288: The terminal size is recorded as having
289: .I n
290: rows.
291: .TP 10
292: .BI columns \ n\fR
293: The terminal size is recorded as having
294: .I n
295: columns.
296: .TP 10
297: .BI cols \ n\fR
298: is an alias for
299: .IR columns .
300: .PP
301: A teletype driver which supports the job control processing of
302: .IR csh (1)
303: and more functionality than the basic driver is fully described in
304: .IR tty (4).
305: The following options apply only to it.
306: .TP 10
307: .B new
308: Use new driver (switching flushes typeahead).
309: .br
310: .ns
311: .TP 10
312: .B crt
313: Set options for a CRT (crtbs, ctlecho and, if >= 1200 baud,
314: crterase and crtkill.)
315: .br
316: .ns
317: .TP 10
318: .B crtbs
319: Echo backspaces on erase characters.
320: .br
321: .ns
322: .TP 10
323: .B prterase
324: For printing terminal echo erased characters backwards within ``\e'' and ``/''.
325: .br
326: .ns
327: .TP 10
328: .B crterase
329: Wipe out erased characters with ``backspace-space-backspace.''
330: .br
331: .ns
332: .TP 10
333: .B \-crterase
334: Leave erased characters visible; just backspace.
335: .br
336: .ns
337: .TP 10
338: .B crtkill
339: Wipe out input on like kill ala
340: .B crterase.
341: .br
342: .ns
343: .TP 10
344: .B \-crtkill
345: Just echo line kill character and a newline on line kill.
346: .br
347: .ns
348: .TP 10
349: .B ctlecho
350: Echo control characters as ``^\fIx\fR'' (and delete as ``^?''.)
351: Print two backspaces following the EOT character (control D).
352: .br
353: .ns
354: .TP 10
355: .B \-ctlecho
356: Control characters echo as themselves; in cooked mode EOT (control-D)
357: is not echoed.
358: .TP 10
359: .B decctlq
360: After output is suspended (normally by ^S), only a start character
361: (normally ^Q) will restart it. This is compatible with DEC's vendor
362: supplied systems.
363: .TP 10
364: .B \-decctlq
365: After output is suspended, any character typed will restart it;
366: the start character will restart output without providing any input.
367: (This is the default.)
368: .br
369: .ns
370: .TP 10
371: .B tostop
372: Background jobs stop if they attempt terminal output.
373: .br
374: .ns
375: .TP 10
376: .B \-tostop
377: Output from background jobs to the terminal is allowed.
378: .br
379: .ns
380: .TP 10
381: .B tilde
382: Convert ``~'' to ``\`'' on output (for Hazeltine terminals).
383: .br
384: .ns
385: .TP 10
386: .B \-tilde
387: Leave poor ``~'' alone.
388: .br
389: .ns
390: .TP 10
391: .B flusho
392: Output is being discarded usually because user hit control O (internal state bit).
393: .br
394: .ns
395: .TP 10
396: .B \-flusho
397: Output is not being discarded.
398: .br
399: .ns
400: .TP 10
401: .B pendin
402: Input is pending after a switch from cbreak to cooked
403: and will be re-input when a read becomes pending or more input arrives
404: (internal state bit).
405: .br
406: .ns
407: .TP 10
408: .B \-pendin
409: Input is not pending.
410: .br
411: .ns
412: .TP 10
413: .B pass8
414: Passes all 8 bits through on input, in any mode.
415: .br
416: .ns
417: .TP 10
418: .B \-pass8
419: Strips the 0200 bit on input except in raw mode.
420: .br
421: .ns
422: .TP 10
423: .B mdmbuf
424: Start/stop output on carrier transitions (not implemented).
425: .br
426: .ns
427: .TP 10
428: .B \-mdmbuf
429: Return error if write attempted after carrier drops.
430: .br
431: .ns
432: .TP 10
433: .B litout
434: Send output characters without any processing.
435: .br
436: .ns
437: .TP 10
438: .B \-litout
439: Do normal output processing, inserting delays, etc.
440: .br
441: .ns
442: .TP 10
443: .B nohang
444: Don't send hangup signal if carrier drops.
445: .br
446: .ns
447: .TP 10
448: .B \-nohang
449: Send hangup signal to control process group when carrier drops.
450: .br
451: .ns
452: .TP 10
453: .B etxack
454: Diablo style etx/ack handshaking (not implemented).
455: .PP
456: The following special characters are applicable only to the new
457: teletype driver
458: and are not normally changed.
459: .TP 10
460: .BI susp \ c\fR
461: set suspend process character to \fIc\fR (default control Z).
462: .br
463: .ns
464: .TP 10
465: .BI dsusp \ c\fR
466: set delayed suspend process character to \fIc\fR (default control Y).
467: .br
468: .ns
469: .TP 10
470: .BI rprnt \ c\fR
471: set reprint line character to \fIc\fR (default control R).
472: .br
473: .ns
474: .TP 10
475: .BI flush \ c\fR
476: set flush output character to \fIc\fR (default control O).
477: .br
478: .ns
479: .TP 10
480: .BI werase \ c\fR
481: set word erase character to \fIc\fR (default control W).
482: .br
483: .ns
484: .TP 10
485: .BI lnext \ c\fR
486: set literal next character to \fIc\fR (default control V).
487: .SH "SEE ALSO"
488: ioctl(2), tabs(1), tset(1), tty(4)
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