# vimdiff > Open up to four files in vim and show the differences between them. > See `vim` documentation for working with files and navigating within a window. - Open two files and show the differences (up to four files can be compared): `vimdiff {{file1}} {{file2}}` - Open two files using a horizontal window split instead of the default vertical split: `vimdiff -o {{file1}} {{file2}}` - Move the cursor to the window on the left|right|up|down: `Ctrl + w {{h|l|k|j}}`