stty.1

.TH STTY 1
.SH NAME
stty \- set terminal options
.SH SYNOPSIS
.B stty
[ option ... ]
.SH DESCRIPTION
.I Stty
sets certain I/O options on the current output terminal.
With no argument, it reports the current settings of the options.
.SS Flags
Flags can be turned off by adding a '-' character before the option.
.TP  8n
.B even
allow even parity
.br
.ns
.TP
.B odd
allow odd parity
.br
.ns
.TP
.B anyp
allow any parity
.br
.ns
.TP
.B raw
raw mode input
(no erase, kill, interrupt, quit, EOT; parity bit passed back)
.br
.ns
.TP
.B cooked
same as `\-raw'
.br
.ns
.TP
.B cbreak
make each character available to
.IR read \ (2)
as received; no erase and kill.
.br
.ns
.TP
.B \-nl
allow carriage return for new-line,
and output CR-LF for carriage return or new-line
When 'on', accept only new-line to end lines.
.br
.ns
.TP
.B echo
echo back every character typed
.br
.ns
.TP
.B lcase
map upper case to lower case
.br
.ns
.TP
.B tabs
delete tabs from screen
.br
.ns
.TP
.B vdu
When deleting remove characters from the screen using backspace. When
off deleted characters are shown in square brackets.
.br
.ns
.TP
.B scope
Synonym for vdu.
.br
.sp  2
.SS Control character settings
Control characters can be set  using '^' and an upper case letter,
so '^C' will be interpreted as Control-C.
.TP
.BI erase  \ c\fR
set erase character to
.IR c .
Default: ^C.
.br
.ns
.TP
.BI kill  \ c\fR
set kill character to
.IR c .
All current input is deleted.
Default: ^U
.br
.ns
.TP
.BI intr  \ c\fR
set interrupt  character to
.IR c .
Default: ^C
.br
.ns
.TP
.BI quit  \ c\fR
set quit character to
.IR c .
.br
Default: ^\ (Control-backslash)
.br
.ns
.TP
.BI stop  \ c\fR
set stop output character to
.IR c .
Default: ^S
.br
.ns
.TP
.BI start  \ c\fR
set start output character to
.IR c .
Default: ^Q
.br
.ns
.TP
.BI eof  \ c\fR
set end of file character
.IR c .
Default: ^D
.br
.ns
.TP
.BI brk  \ c\fR
Set brk character
.IR c .
Default: brk (0377)
.br
.LP
Other control characters that cannot be altered:
.TP
^P
flip paging on and off
.br
.ns
.TP
^R
retype current line
.br
.ns
.TP
^W
delete last word
.br
.ns
.TP
^V
Next character is entered with no processing
.br
.sp  2
.SS Delays
Delays are set by a control word immediately followed by a number, e.g
nl0. The number is approximately the number kernel 'ticks' - 0-254. Mostly for
screen use zero is used.
.TP
.B  cr
.br
select style of delay for carriage return.
.br
.ns
.TP
.B  nl
.br
select style of delay for linefeed
.br
.ns
.TP
.B  tab
.br
select style of delay for tab,
.br
.ns
.TP
.B  ff
select style of delay for form feed
.br
.sp  2
.SS Speeds
.ns
.TP
.B  "50 75 110 134 150 200 300 600 1200 1800 2400 4800 9600 exta extb"
.br
Set terminal baud rate to the number given, if possible.
(These are the speeds supported by the DH-11 interface).
.TP
.B 0
Hang up the line immediately.
.ns
.br
.TP
.BI ispeed \ n\fR
Set the input speed, the argument is a number or 'exta' or 'extb'.
.ns
.br
.TP
.BI ospeed \ n\fR
Set the output speed, the argument is a number or 'exta' or 'extb'.
.sp  2
.SS "Other Options"
.TP
.B hup
Set the flag that forces a hangup on last close.  Can be prefixed by '-'.
.br
.ns
.TP
.BI cols \ n\fR
Set the width of the screen in characters
.br
.ns
.TP
.BI rows \ n\fR
Set the number of lines on the screen
.br
.ns
.TP
.B sane
Set all settings to default
.br
.SH "AUTHOR"
Peter Collinson, July 2023
.SH "SEE ALSO"
ioctl(2), tabs(1)