man/man1/stty.1

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.he 'STTY (I)'6/12/72'STTY (I)'
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NAME            stty -- set teletype options
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SYNOPSIS        stty\b\b\b\b____ option\e91\e8 ...
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DESCRIPTION     Stty\b\b\b\b____
will set certain I/O options on the current output teletype.
The option strings are
selected from the following set:

.in +3
.nf
even\b\b\b\b____    allow even parity.
-even\b\b\b\b\b_____ disallow even parity.
odd\b\b\b___       allow odd parity
-odd\b\b\b\b____    disallow odd parity
raw\b\b\b___       raw mode input
        (no erase/kill/interrupt/quit/EOT)
-raw\b\b\b\b____    negate raw mode
-nl\b\b\b___       allow cr for lf (and echo lf cr)
nl\b\b__  allow nl only
echo\b\b\b\b____    echo back every character typed.
-echo\b\b\b\b\b_____ do not echo characters.
lcase\b\b\b\b\b_____ map upper case to lower case
-lcase\b\b\b\b\b\b______      do not map case
-tabs\b\b\b\b\b_____ replace tabs by spaces
tabs\b\b\b\b____    preserve tabs
delay\b\b\b\b\b_____ calculate cr and tab delays.
-delay\b\b\b\b\b\b______      no cr/tab delays
ebcdic\b\b\b\b\b\b______      ebcdic ball conversion (2741 only)
corres\b\b\b\b\b\b______      correspondence ball conversion (2741 only)
.in -3
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FILES           standard output.
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SEE ALSO        stty(II)
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DIAGNOSTICS     "Bad options"
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BUGS            --