which/type & built-ins : A question ?

[Kirtikumar Satam]

In article <1990Jan2.160927.11935 at usenet.ins.cwru.edu>, 
chet at cwns1.CWRU.EDU (Chet Ramey) writes:
> Because `while' is a sh language construct (a statement), not a shell
   			  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^	
> builtin.  It's a small but important distinction, and one of the chief
  ^^^^^^^
> reasons that programming in sh is so much better than programming in csh
> (in csh, these constructs *are* implemented as builtins, using very ad-hoc
> parsing with thousands of special cases that serves to reduce their
> usefulness to almost zero). 
> 

Can you elaborate more on this??

-satam
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Kirtikumar "Mumbaichaa" Satam
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