Type-ahead in unix

[LEWIS WILLIAM M JR]

In article <3251 at charon.cwi.nl> dik at cwi.nl (Dik T. Winter) writes:
>In article <5930 at tahoe.unr.edu> malc at equinox.unr.edu (Malcolm Carlock) writes:
....stuff omitted
>
>The answer to the original question is: no VMS style type-ahead can not be
>implement given the current set of tools.

My version of the korn shell (from Aspen Technologies) does both immediate
and delayed echo.