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STTY(1)				      FSF			       STTY(1)

       stty - change and print terminal	line settings

       stty [-F	DEVICE]	[--file=DEVICE]	[SETTING]...
       stty [-F	DEVICE]	[--file=DEVICE]	[-a|--all]
       stty [-F	DEVICE]	[--file=DEVICE]	[-g|--save]

       Print or	change terminal	characteristics.

       -a, --all
	      print all	current	settings in human-readable form

       -g, --save
	      print all	current	settings in a stty-readable form

       -F, --file=DEVICE
	      open and use the specified DEVICE	instead	of stdin

       --help display this help	and exit

	      output version information and exit

       Optional	 -  before  SETTING  indicates negation.  An * marks non-POSIX
       settings.  The underlying system	defines	which settings are available.

   Special characters:
       * dsusp CHAR
	      CHAR will	send a terminal	stop signal once input flushed

       eof CHAR
	      CHAR will	send an	end of file (terminate the input)

       eol CHAR
	      CHAR will	end the	line

       * eol2 CHAR
	      alternate	CHAR for ending	the line

       erase CHAR
	      CHAR will	erase the last character typed

       intr CHAR
	      CHAR will	send an	interrupt signal

       kill CHAR
	      CHAR will	erase the current line

       * lnext CHAR
	      CHAR will	enter the next character quoted

       quit CHAR
	      CHAR will	send a quit signal

       * rprnt CHAR
	      CHAR will	redraw the current line

       start CHAR
	      CHAR will	restart	the output after stopping it

       stop CHAR
	      CHAR will	stop the output

       susp CHAR
	      CHAR will	send a terminal	stop signal

       * swtch CHAR
	      CHAR will	switch to a different shell layer

       * werase	CHAR
	      CHAR will	erase the last word typed

   Special settings:
       N      set the input and	output speeds to N bauds

       * cols N
	      tell the kernel that the terminal	has N columns

       * columns N
	      same as cols N

       ispeed N
	      set the input speed to N

       * line N
	      use line discipline N

       min N  with -icanon, set	N characters minimum for a completed read

       ospeed N
	      set the output speed to N

       * rows N
	      tell the kernel that the terminal	has N rows

       * size print the	number of rows and columns according to	the kernel

       speed  print the	terminal speed

       time N with -icanon, set	read timeout of	N tenths of a second

   Control settings:
	      disable modem control signals

	      allow input to be	received

       * [-]crtscts
	      enable RTS/CTS handshaking

       csN    set character size to N bits, N in [5..8]

	      use two stop bits	per character (one with	`-')

       [-]hup send a hangup signal when	the last process closes	the tty

	      same as [-]hup

	      generate parity bit in output and	expect parity bit in input

	      set odd parity (even with	`-')

   Input settings:
	      breaks cause an interrupt	signal

	      translate	carriage return	to newline

	      ignore break characters

	      ignore carriage return

	      ignore characters	with parity errors

       * [-]imaxbel
	      beep and do not flush a full input buffer	on a character

	      translate	newline	to carriage return

	      enable input parity checking

	      clear high (8th) bit of input characters

       * [-]iuclc
	      translate	uppercase characters to	lowercase

       * [-]ixany
	      let any character	restart	output,	not only start character

	      enable sending of	start/stop characters

	      enable XON/XOFF flow control

	      mark parity errors (with a 255-0-character sequence)

	      same as [-]ixoff

   Output settings:
       * bsN  backspace	delay style, N in [0..1]

       * crN  carriage return delay style, N in	[0..3]

       * ffN  form feed	delay style, N in [0..1]

       * nlN  newline delay style, N in	[0..1]

       * [-]ocrnl
	      translate	carriage return	to newline

       * [-]ofdel
	      use delete characters for	fill instead of	null characters

       * [-]ofill
	      use fill (padding) characters instead of timing for delays

       * [-]olcuc
	      translate	lowercase characters to	uppercase

       * [-]onlcr
	      translate	newline	to carriage return-newline

       * [-]onlret
	      newline performs a carriage return

       * [-]onocr
	      do not print carriage returns in the first column

	      postprocess output

       * tabN horizontal tab delay style, N in [0..3]

       * tabs same as tab0

       * -tabs
	      same as tab3

       * vtN  vertical tab delay style,	N in [0..1]

   Local settings:
	      echo erase characters as backspace-space-backspace

       * crtkill
	      kill all line by obeying the echoprt and echoe settings

       * -crtkill
	      kill all line by obeying the echoctl and echok settings

       * [-]ctlecho
	      echo control characters in hat notation (`^c')

	      echo input characters

       * [-]echoctl
	      same as [-]ctlecho

	      same as [-]crterase

	      echo a newline after a kill character

       * [-]echoke
	      same as [-]crtkill

	      echo newline even	if not echoing other characters

       * [-]echoprt
	      echo erased characters backward, between `\' and '/'

	      enable erase, kill, werase, and rprnt special characters

	      enable non-POSIX special characters

	      enable interrupt,	quit, and suspend special characters

	      disable flushing after interrupt and quit	special	characters

       * [-]prterase
	      same as [-]echoprt

       * [-]tostop
	      stop background jobs that	try to write to	the terminal

       * [-]xcase
	      with icanon, escape with `\' for uppercase characters

   Combination settings:
       * [-]LCASE
	      same as [-]lcase

       cbreak same as -icanon

	      same as icanon

       cooked same as brkint ignpar istrip icrnl ixon opost isig  icanon,  eof
	      and eol characters to their default values

	      same as raw

       crt    same as echoe echoctl echoke

       dec    same as echoe echoctl echoke -ixany intr ^c erase	0177 kill ^u

       * [-]decctlq
	      same as [-]ixany

       ek     erase and	kill characters	to their default values

       evenp  same as parenb -parodd cs7

       -evenp same as -parenb cs8

       * [-]lcase
	      same as xcase iuclc olcuc

       litout same as -parenb -istrip -opost cs8

	      same as parenb istrip opost cs7

       nl     same as -icrnl -onlcr

       -nl    same as icrnl -inlcr -igncr onlcr	-ocrnl -onlret

       oddp   same as parenb parodd cs7

       -oddp  same as -parenb cs8

	      same as [-]evenp

       pass8  same as -parenb -istrip cs8

       -pass8 same as parenb istrip cs7

       raw    same  as	-ignbrk	 -brkint -ignpar -parmrk -inpck	-istrip	-inlcr
	      -igncr -icrnl  -ixon  -ixoff   -iuclc   -ixany  -imaxbel	-opost
	      -isig -icanon -xcase min 1 time 0

       -raw   same as cooked

       sane   same  as	cread -ignbrk brkint -inlcr -igncr icrnl -ixoff	-iuclc
	      -ixany imaxbel opost -olcuc -ocrnl onlcr -onocr  -onlret	-ofill
	      -ofdel  nl0  cr0	tab0 bs0 vt0 ff0 isig icanon iexten echo echoe
	      echok -echonl -noflsh -xcase -tostop  -echoprt  echoctl  echoke,
	      all special characters to	their default values.

       Handle  the  tty	 line connected	to standard input.  Without arguments,
       prints baud rate, line discipline, and deviations from stty  sane.   In
       settings,  CHAR	is  taken  literally, or coded as in ^c, 0x37, 0177 or
       127; special values ^- or undef used to disable special characters.

       Written by David	MacKenzie.

       Report bugs to <>.

       Copyright (C) 2002 Free Software	Foundation, Inc.
       This is free software; see the source for copying conditions.  There is
       NO  warranty;  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR

       The full	documentation for stty is maintained as	a Texinfo manual.   If
       the  info  and  stty  programs are properly installed at	your site, the

	      info stty

       should give you access to the complete manual.

GNU coreutils 4.5.3		 February 2003			       STTY(1)


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