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NAME
     stty - change and print terminal line settings

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

DESCRIPTION
     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
          open and use the specified device instead of stdin

     --help
          display this help and exit

     --version
          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 termi-
     nal 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 accord-
     ing to the kernel

     speed
          print the terminal speed

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

  Control settings:
     [-]clocal
          disable modem control signals

     [-]cread
          allow input to be received

     * [-]crtscts    enable RTS/CTS handshaking

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

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

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

     [-]hupcl
          same as [-]hup

     [-]parenb
          generate parity bit in output and expect parity bit  in
          input

     [-]parodd
          set odd parity (even with `-')

  Input settings:
     [-]brkint
          breaks cause an interrupt signal

     [-]icrnl
          translate carriage return to newline

     [-]ignbrk
          ignore break characters

     [-]igncr
          ignore carriage return

     [-]ignpar
          ignore characters with parity errors

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

     [-]inlcr
          translate newline to carriage return

     [-]inpck
          enable input parity checking

     [-]istrip
          clear high (8th) bit of input characters

     * [-]iuclc      translate uppercase characters to  lowercase
     *  [-]ixany       let any character restart output, not only
     start character
     [-]ixoff
          enable sending of start/stop characters

     [-]ixon
          enable XON/XOFF flow control

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

     [-]tandem
          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

     [-]opost
          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:
     [-]crterase
          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
          echo input characters

     * [-]echoctl    same as [-]ctlecho

     [-]echoe
          same as [-]crterase

     [-]echok
          echo a newline after a kill character

     * [-]echoke     same as [-]crtkill

     [-]echonl
          echo newline even if not echoing other characters

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

     [-]icanon
          enable erase, kill, werase, and rprnt  special  charac-
          ters

     [-]iexten
          enable non-POSIX special characters

     [-]isig
          enable interrupt, quit, and suspend special characters

     [-]noflsh
          disable flushing after interrupt and quit special char-
          acters

     * [-]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

     -cbreak
          same as icanon

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

     -cooked
          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

     -litout
          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

     [-]parity
          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.

REPORTING BUGS
     Report bugs to <[email protected]>.


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

          info stty

     should give you access to the complete manual.

COPYRIGHT
     Copyright O 1999 Free Software Foundation, Inc.
     This is free software; see the  source  for  copying  condi-
     tions.   There  is NO warranty; not even for MERCHANTABILITY
     or FITNESS FOR A PARTICULAR PURPOSE.

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