GNU Info

(sh-utils.info)Special

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Enter node , (file) or (file)node

Special settings
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`min N'
     Set the minimum number of characters that will satisfy a read until
     the time value has expired, when `-icanon' is set.

`time N'
     Set the number of tenths of a second before reads time out if the
     minimum number of characters have not been read, when `-icanon' is
     set.

`ispeed N'
     Set the input speed to N.

`ospeed N'
     Set the output speed to N.

`rows N'
     Tell the tty kernel driver that the terminal has N rows.
     Non-POSIX.

`cols N'
`columns N'
     Tell the kernel that the terminal has N columns.  Non-POSIX.

`size'
     Print the number of rows and columns that the kernel thinks the
     terminal has.  (Systems that don't support rows and columns in the
     kernel typically use the environment variables `LINES' and
     `COLUMNS' instead; however, GNU `stty' does not know anything
     about them.)  Non-POSIX.

`line N'
     Use line discipline N.  Non-POSIX.

`speed'
     Print the terminal speed.

`N'
     Set the input and output speeds to N.  N can be one of: 0 50 75
     110 134 134.5 150 200 300 600 1200 1800 2400 4800 9600 19200 38400
     `exta' `extb'.  `exta' is the same as 19200; `extb' is the same as
     38400.  0 hangs up the line if `-clocal' is set.