Install the package kdegraphics-thumbnailers, and then depending on the file manager you may have to enable previews, e.g. in Dolphin > Configure Dolphin > Interface > Previews.

The cursor is still after “screen.png” and not on the next line.
The only explanation I have is that starting xscreenshot and executing xscreenshot is faster than the UI is refreshed.

How did you take screenshot before pressing return?

What was the command again for having such nicely colored output?

Linux: Of course you can use these syscalls designed in the 70s. Windows: Compatibility with what? No, you must use these newly-designed functions that exist only on windows. It’s for your own protection.

Tell me again how proprietary software gives a shit about compatibility.