https://askubuntu.com/questions/610903/how-can-i-create-a-video-file-from-a-set-of-jpg-images
**Install
xmodmap -e 'clear Lock' -e 'keycode 0x42 = Escape'
Replace All:
:%s/foo/bar/g
Find each occurrence of 'foo' (in all lines), and replace it with 'bar'.
For specific lines: