[OT] How to fix a stupid chmod mistake without rebooting

[Robert Holtzman]

On Sat, 28 Mar 2009, Matthew Flaschen wrote:

> Matthew Flaschen wrote:
>> 1. Keep root enabled
>> 2. sudo will not stop you from making stupid decisions.
>> 3. Don't run sudo chmod a-rwx /
>
> Well, definitely don't do number #3 but I meant:
>
> 4. Don't run sudo chmod go-rwx /

I'm confused (my natural state). I see no reference to the a, g, or o 
options in the man or info pages. Have I been struck blind?

-- 
Bob Holtzman
"If you think you're getting free lunch,
  check the price of the beer"