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1.1 root 1: .TH STTY 1 "11 May 1981"
2: .UC 4
3: .SH NAME
4: stty \- set terminal options
5: .SH SYNOPSIS
6: .B stty
7: [ option ... ]
8: .SH DESCRIPTION
9: .I Stty
10: sets certain I/O options on the current output terminal,
11: placing its output on the diagnostic output.
12: With no argument, it reports the speed of the terminal and the
13: settings of the options which are different from their defaults.
14: With the argument ``all'', all normally used option settings are reported.
15: With the argument ``everything'', everything
16: .I stty
17: knows about is printed.
18: The option strings are
19: selected from the following set:
20: .TP 10
21: .B even
22: allow even parity input
23: .br
24: .ns
25: .TP 10
26: .B \-even
27: disallow even parity input
28: .br
29: .ns
30: .TP 10
31: .B odd
32: allow odd parity input
33: .br
34: .ns
35: .TP 10
36: .B \-odd
37: disallow odd parity input
38: .br
39: .ns
40: .TP 10
41: .B raw
42: raw mode input
43: (\fBno\fR input processing (erase, kill, interrupt, ...); parity bit passed back)
44: .br
45: .ns
46: .TP 10
47: .B \-raw
48: negate raw mode
49: .br
50: .ns
51: .TP 10
52: .B cooked
53: same as `\-raw'
54: .br
55: .ns
56: .TP 10
57: .B cbreak
58: make each character available to
59: .IR read (2)
60: as received; no erase and kill processing,
61: but all other processing (interrupt, suspend, ...) is performed
62: .br
63: .ns
64: .TP 10
65: .B \-cbreak
66: make characters available to
67: .I read
68: only when newline is received
69: .br
70: .ns
71: .TP 10
72: .B \-nl
73: allow carriage return for new-line,
74: and output CR-LF for carriage return or new-line
75: .br
76: .ns
77: .TP 10
78: .B nl
79: accept only new-line to end lines
80: .br
81: .ns
82: .TP 10
83: .B echo
84: echo back every character typed
85: .br
86: .ns
87: .TP 10
88: .B \-echo
89: do not echo characters
90: .br
91: .ns
92: .TP 10
93: .B lcase
94: map upper case to lower case
95: .br
96: .ns
97: .TP 10
98: .B \-lcase
99: do not map case
100: .br
101: .ns
102: .TP 10
103: .B tandem
104: enable flow control, so that the system sends out the stop character when
105: its internal queue is in danger of overflowing on input, and sends the
106: start character when it is ready to accept further input
107: .br
108: .ns
109: .TP 10
110: .B \-tandem
111: disable flow control
112: .br
113: .ns
114: .TP 10
115: .B \-tabs
116: replace tabs by spaces when printing
117: .br
118: .ns
119: .TP 10
120: .B tabs
121: preserve tabs
122: .br
123: .ns
124: .TP 10
125: .B ek
126: set erase and kill characters to # and @
127: .br
128: .ns
129: .PP
130: For the following commands which take a character argument \fIc\fR,
131: you may also specify \fIc\fR as the ``u'' or ``undef'', to set the value
132: to be undefined. A value of ``^x'', a 2 character sequence, is also
133: interpreted as a control character, with ``^?'' representing delete.
134: .TP 10
135: .BI erase \ c\fR
136: set erase character to
137: .I c
138: (default `#', but often reset to ^H.)
139: .br
140: .ns
141: .TP 10
142: .BI kill \ c\fR
143: set kill character to
144: .I c
145: (default `@', but often reset to ^U.)
146: .br
147: .ns
148: .TP 10
149: .BI intr \ c\fR
150: set interrupt character to
151: .I c
152: (default DEL or ^? (delete), but often reset to ^C.)
153: .br
154: .ns
155: .TP 10
156: .BI quit \ c\fR
157: set quit character to
158: .I c
159: (default control \e.)
160: .br
161: .ns
162: .TP 10
163: .BI start \ c\fR
164: set start character to
165: .I c
166: (default control Q.)
167: .br
168: .ns
169: .TP 10
170: .BI stop \ c\fR
171: set stop character to
172: .I c
173: (default control S.)
174: .br
175: .ns
176: .TP 10
177: .BI eof \ c\fR
178: set end of file character to
179: .I c
180: (default control D.)
181: .br
182: .ns
183: .TP 10
184: .BI brk \ c\fR
185: set break character to
186: .I c
187: (default undefined.)
188: This character is an extra wakeup causing character.
189: .br
190: .ns
191: .TP 10
192: .B cr0 cr1 cr2 cr3
193: .br
194: select style of delay for carriage return (see
195: .IR ioctl (2))
196: .br
197: .ns
198: .TP 10
199: .B nl0 nl1 nl2 nl3
200: .br
201: select style of delay for linefeed
202: .br
203: .ns
204: .TP 10
205: .B tab0 tab1 tab2 tab3
206: .br
207: select style of delay for tab
208: .br
209: .ns
210: .TP 10
211: .B ff0 ff1
212: select style of delay for form feed
213: .br
214: .ns
215: .TP 10
216: .B bs0 bs1
217: select style of delay for backspace
218: .br
219: .TP 10
220: .B tty33
221: set all modes suitable for the
222: Teletype Corporation Model 33 terminal.
223: .br
224: .ns
225: .TP 10
226: .B tty37
227: set all modes suitable for the
228: Teletype Corporation Model 37 terminal.
229: .br
230: .ns
231: .TP 10
232: .B vt05
233: set all modes suitable for Digital Equipment Corp. VT05 terminal
234: .br
235: .ns
236: .TP 10
237: .B dec
238: set all modes suitable for Digital Equipment Corp. operating systems
239: users; (erase, kill, and interrupt characters to ^?, ^U, and ^C,
240: decctlq and ``newcrt''.)
241: .ns
242: .TP 10
243: .B tn300
244: set all modes suitable for a General Electric TermiNet 300
245: .br
246: .ns
247: .TP 10
248: .B ti700
249: set all modes suitable for Texas Instruments 700 series terminal
250: .br
251: .ns
252: .TP 10
253: .B tek
254: set all modes suitable for Tektronix 4014 terminal
255: .br
256: .ns
257: .TP 10
258: .B 0
259: hang up phone line immediately
260: .br
261: .ns
262: .TP 10
263: .B "50 75 110 134 150 200 300 600 1200 1800 2400 4800 9600 exta extb"
264: .br
265: Set terminal baud rate to the number given, if possible.
266: (These are the speeds supported by the DH-11 interface).
267: .br
268: .ns
269: .TP 10
270: .B "1 2 3"
271: set the number of stop bits.
272: Specifying 1 gives 1 stop bit, 2 gives 2 stop bits, and 3 gives
273: 1.5 stop bits.
274: .PP
275: A teletype driver which supports the job control processing of
276: .IR csh (1)
277: and more functionality than the basic driver is fully described in
278: .IR tty (4).
279: The following options apply only to it.
280: .TP 10
281: .B new
282: Use new driver (switching flushes typeahead).
283: .br
284: .ns
285: .TP 10
286: .B crt
287: Set options for a CRT (crtbs, ctlecho and, if >= 1200 baud,
288: crterase and crtkill.)
289: .br
290: .ns
291: .TP 10
292: .B crtbs
293: Echo backspaces on erase characters.
294: .br
295: .ns
296: .TP 10
297: .B prterase
298: For printing terminal echo erased characters backwards within ``\e'' and ``/''.
299: .br
300: .ns
301: .TP 10
302: .B crterase
303: Wipe out erased characters with ``backspace-space-backspace.''
304: .br
305: .ns
306: .TP 10
307: .B \-crterase
308: Leave erased characters visible; just backspace.
309: .br
310: .ns
311: .TP 10
312: .B crtkill
313: Wipe out input on like kill ala
314: .B crterase.
315: .br
316: .ns
317: .TP 10
318: .B \-crtkill
319: Just echo line kill character and a newline on line kill.
320: .br
321: .ns
322: .TP 10
323: .B ctlecho
324: Echo control characters as ``^\fIx\fR'' (and delete as ``^?''.)
325: Print two backspaces following the EOT character (control D).
326: .br
327: .ns
328: .TP 10
329: .B \-ctlecho
330: Control characters echo as themselves; in cooked mode EOT (control-D)
331: is not echoed.
332: .TP 10
333: .B decctlq
334: After output is suspended (normally by ^S), only a start character
335: (normally ^Q) will restart it. This is compatible with DEC's vendor
336: supplied systems.
337: .TP 10
338: .B \-decctlq
339: After output is suspended, any character typed will restart it;
340: the start character will restart output without providing any input.
341: (This is the default.)
342: .br
343: .ns
344: .TP 10
345: .B tostop
346: Background jobs stop if they attempt terminal output.
347: .br
348: .ns
349: .TP 10
350: .B \-tostop
351: Output from background jobs to the terminal is allowed.
352: .br
353: .ns
354: .TP 10
355: .B tilde
356: Convert ``~'' to ``\`'' on output (for Hazeltine terminals).
357: .br
358: .ns
359: .TP 10
360: .B \-tilde
361: Leave poor ``~'' alone.
362: .br
363: .ns
364: .TP 10
365: .B flusho
366: Output is being discarded usually because user hit control O (internal state bit).
367: .br
368: .ns
369: .TP 10
370: .B \-flusho
371: Output is not being discarded.
372: .br
373: .ns
374: .TP 10
375: .B pendin
376: Input is pending after a switch from cbreak to cooked
377: and will be re-input when a read becomes pending or more input arrives
378: (internal state bit).
379: .br
380: .ns
381: .TP 10
382: .B \-pendin
383: Input is not pending.
384: .br
385: .ns
386: .TP 10
387: .B intrup
388: Send a signal (SIGTINT) to the terminal control process group whenever
389: an input record (line in cooked mode, character in cbreak or raw mode)
390: is available for reading.
391: .br
392: .ns
393: .TP 10
394: .B \-intrup
395: Don't send input available interrupts.
396: .br
397: .ns
398: .TP 10
399: .B mdmbuf
400: Start/stop output on carrier transitions (not implemented).
401: .br
402: .ns
403: .TP 10
404: .B \-mdmbuf
405: Return error if write attempted after carrier drops.
406: .br
407: .ns
408: .TP 10
409: .B litout
410: Send output characters without any processing.
411: .br
412: .ns
413: .TP 10
414: .B \-litout
415: Do normal output processing, inserting delays, etc.
416: .br
417: .ns
418: .TP 10
419: .B nohang
420: Don't send hangup signal if carrier drops.
421: .br
422: .ns
423: .TP 10
424: .B \-nohang
425: Send hangup signal to control process group when carrier drops.
426: .br
427: .ns
428: .TP 10
429: .B etxack
430: Diablo style etx/ack handshaking (not implemented).
431: .PP
432: The following special characters are applicable only to the new
433: teletype driver
434: and are not normally changed.
435: .TP 10
436: .BI susp \ c\fR
437: set suspend process character to \fIc\fR (default control Z).
438: .br
439: .ns
440: .TP 10
441: .BI dsusp \ c\fR
442: set delayed suspend process character to \fIc\fR (default control Y).
443: .br
444: .ns
445: .TP 10
446: .BI rprnt \ c\fR
447: set reprint line character to \fIc\fR (default control R).
448: .br
449: .ns
450: .TP 10
451: .BI flush \ c\fR
452: set flush output character to \fIc\fR (default control O).
453: .br
454: .ns
455: .TP 10
456: .BI werase \ c\fR
457: set word erase character to \fIc\fR (default control W).
458: .br
459: .ns
460: .TP 10
461: .BI lnext \ c\fR
462: set literal next character to \fIc\fR (default control V).
463: .SH "SEE ALSO"
464: ioctl(2), tabs(1), tset(1), tty(4)
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