Use stty to modify terminal settings

Article Title: Use stty to modify terminal settings. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

In sqlplus on linux/unix platforms, if an error occurs, you must manually press the backspace key to delete the character. Instead of deleting the character you want to delete, there are two more characters ^ H. However, we can press ctrl + backspace to delete the objects at the same time, but it is uncomfortable for users who are used to using backspace to delete objects. This allows you to delete backspace by modifying the settings of the tty terminal. You can use the stty command to view or modify the key settings of the terminal.

For example, set backspace as the deletion key:

[Oracle10g @ linux] $ stty erase ^ h

Use ctrl + backspace as the deletion key again

[Oracle10g @ linux] $ stty erase ^?

If you need to automatically set the terminal after the restart, you can add the above command to the profile.

You can use the stty-a command to view all terminal settings. The following output is executed in linux:

[Oracle10g @ linux] $ stty-

Speed 38400 baud; rows 66; columns 132; line = 0;

Intr = ^ C; quit = ^ \; erase = ^ H; kill = ^ U; eof = ^ D; eol = ; Eol2 = ; Start = ^ Q; stop = ^ S; susp = ^ Z; rprnt = ^ R;

Werase = ^ W; lnext = ^ V; flush = ^ O; min = 1; time = 0;

-Parenb-parodd cs8-hupcl-cstopb cread-clocal-crtscts

-Ignbrk-brkint-ignpar-parmrk-inpck-istrip-inlcr-igncr icrnl ixon-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

Where:

Eof: the input ends.

Erase: Remove characters from the backend,

Intr: interrupt the current program

Kill: Delete the entire command

Quit: exit the current program

Start: start screen output

Stop: stop the screen output;

Susp: terminal stop current program.

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