Tips & tricks Determine which version of Endless OS is running — How to determine which version of Endless OS is running. Enter special characters — Type characters not found on your keyboard, including foreign alphabets, mathematical symbols, emoji, and dingbats. Middle-click — Use the middle mouse button to open applications, open tabs and more. Screenshots and screencasts — Take a picture or record a video of what is happening on your screen. Useful keyboard shortcuts — Get around the desktop using the keyboard. अधिक जानकारी Endless OS Desktop — A guide for Endless OS Desktop users.