The HUD (Head-Up Display) function is added to Ubuntu to disable the Unity HUD method Ubuntu12.04. This function is intended to provide users with convenient search services, quick Search for software, files, videos, and music. For more information, visit the internet. In Ubuntu 12.04, the shortcut key for calling HUD is Alt, but this shortcut is inconvenient. For example, the shortcut key for sending information from Web Q + is alt + s, when Wine becomes Warcraft 3, alt is used to check the amount of blood, and a single click on it will minimize the game (Wine cannot zoom in once it is reduced ). Www.2cto.com, so the only solution is to modify the shortcut key for calling the HUD or directly close it. In CCMS, you can disable sudo apt-get install compizconfig-settings-manager and enable CCMS-"Ubuntu Unity Plugin.
Set Key to show the HUD. Prepared by kongweile