We recommend a good screenshot software scrot for Ubuntu.

Scrot is an essential tool for writing Technical tutorials or displaying desktops or applications. Scrot is a small, powerful, refined, and not flexible player in the screen capture tool. Scrot is mainly used in the command line. It uses the imlib2 library to capture and save images. In Ubuntu, you can use the sudoapt-getinstallscrot command to install scrot. The format of scrot is: scrot [o is an essential tool for writing Technical tutorials, displaying desktops or applications. Scrot is a small, powerful, refined, and not flexible player in the screen capture tool.

Scrot is mainly used in the command line. It uses the imlib2 library to capture and save images. In Ubuntu, you can use

Sudo apt-get install scrot command to install scrot.
Scrot format:
Scrot [options] [file].

General Usage
In general, scrot can capture the entire desktop, a specified window, and a selected rectangular area.

Capture desktop: scrot shorttop.png. This command captures the entire desktop and saves it as a file named shorttop.png. You can find this image file in the current directory.

Capture window: scrot-bs large rows PNG. Option B allows scrot to capture the outer border when capturing the window, and option s allows the user to select the window to capture.

Capture area: scrot-s rectangle.png. After executing this command, the rectangular area dragged by the mouse will be captured by scrot.