I think, rsh is quite obsolete

[Denis Leroy]

Adam Tkac wrote:
> I think, It's no argument to include rsh in next versions of fc/rhel.
> OpenSSH could successfully substitute this component. SSH is more secure
> than rsh and has all features of rsh. Do you think anything else??

I'm sorry but that's very narrow thinking. rsh is lightweight and fast. 
There are environments where the security issues are irrelevant.