flavours of shell - what is there?

[Greatful Ed]

In article <4278 at ecs.soton.ac.uk> tjc at ecs.soton.ac.uk (Tim Chown) writes:
>The ones I know of are simply:
>	sh	 csh	 bash	 ksh
>
>Are there others?  Where are they principally available from?

  I would also be interested in knowing what the pros and cons of each
are.  Plus, does anybody know where I would be able to find sources for
each of these shells that would be compatable with an AT&T Unix-Pc
under a SystemV R3.5 environment.

Much Appreciated,
  Ed