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19.2.7 Special settings

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.


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.


Print the terminal speed.


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.

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