It sounds like your terminal settings might be misconfigured. Here are a few steps you can take to try and fix the issue:

Reset the terminal: Try resetting the terminal by typing the following command into the terminal: reset. This should reset the terminal settings to their default values.

Check your terminal settings: Check the settings for your terminal emulator to make sure they are correct. You can usually access the settings by right-clicking on the terminal window and selecting "Preferences" or "Settings". Make sure the font, character encoding, and other settings are set correctly.

Try a different terminal emulator: If resetting the terminal and checking the settings does not work, try using a different terminal emulator to see if the issue persists. There are many terminal emulators available for Linux, such as Terminator, Xfce Terminal, and Konsole.

Reinstall the terminal emulator: If all else fails, you can try reinstalling the terminal emulator. To do this, run the following command in the terminal: sudo apt-get install --reinstall gnome-terminal (assuming you're using the default Gnome Terminal).

Hopefully, one of these steps will fix the issue with your terminal.
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