[Sussex] Most insanely useful software every written

[Steve Dobson]

Good question!

On 28 July 2003 at 11:54 Geoff Teale:
> What are the "most insanely useful" pieces of software ever written?
> 
> Right now I'm leaning towards:
> 	
> 	ssh / scp
> 	Emacs
> 	sed
> 	
> any ideas... 

I have two ways of thinking about this:

With my user hat on:
    od - with it you can read any file (and on Unix everything is a file!).

With my SysAdmin hat on:
    vmlinux - without it nothing else works at all!

Steve