Some of you using the vim editor may not know about a tool that comes with vim called vimdiff. Vimdiff is an awesome way to diff files if you are a vim nut. It gives you the power of vim + the power of diff.
How’s this different from opening 2 files in vim (with -O [...]
Now that you’ve typed some random stuff in, escape to the command mode. Now try pressing ‘:w’ i.e. (shift+;)w. W is for “write”. This saves the file and leaves you still in the editor. If you want to get out of the editor, you type in one more command ‘q’ so it becomes ‘:wq’. In case you want to get out of it without saving, use ‘:q!’. The other way to save and quit is to go to the command mode and hit shift+z+z.
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