If you have on Linux or Unix, you must be aware of Vim. Vim is a text editor or I would say an improved version of text editor for Unix/Linux OS.
If you are working with these OS, this cheat sheet is highly beneficial to you. Thanks to the author for creating this cheat sheet which let us see most frequently used commands in one image. You can download this cheatsheet from Download button provided at the bottom. Go ahead download, print and put it at your desk for easy access.
If you are new to Vim and want to about each command in detail, please visit following link:
https://danielmiessler.com/study/vim/