Harmful? Just remap it. I use it as an alternative control key: 
    xmodmap -e 'add Control = Caps_Lock'

[download]
Why control? Because I used to use keyboards where the CapsLock key was below the shift key. Quite useful for me in those days to have the above mapping - on a standard PC keyboard, I seldomly use the CapsLock key - but if I hit it by accident, it won't cause SHOUTING.
Perl --((8:>*

In reply to Re: Caps Lock by Perl Mouse
in thread The most useless key on my keyboard is: by davido

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