resetting in ghci

[Serge D. Mechveliani]

Ty my 

> > Does  ghci  have a command of           clearing  
> > out of all the currently defined values
> > (like  x  set by  `let x = 1') ? 
> > What about un-loading modules?
> > Does the user need to exit and re-run ghci in order to reset the 
> > created environment?
> > Such situation is not a tragedy, but still ...  


Simon Marlow writes 

> :load with no arguments will unload all the currently loaded modules and
> bindings.

(so, the values go to garbage, and memory will be recovered?)

Thank you.
`:?' command of ghci does not tell this about  :load
I wonder whether it is explained in GHC Manual.

-----------------
Serge Mechveliani
mechvel@botik.ru