Install deepin-shortcut-viewer by entering the following commands in the terminal:
sudo apt update sudo apt install deepin-shortcut-viewer
Description:
Pop-up shortcut viewer for Deepin applications
Deepin-shortcut-viewer is a standalone binary that helps Deepin applications pop up their shortcut information on screen in a unified appearance. . This package is part of DDE (Deepin Desktop Environment).
Homepage: https://github.com/linuxdeepin/deepin-shortcut-viewer
Version: 1.3.4-1
Section: universe/utils