Type-ahead in unix

[Doug Gwyn]

In article <659 at adpplz.UUCP> martin at adpplz.UUCP (Martin Golding) writes:
>In <7297 at utacfd.UUCP> nomura at meap.uta.edu (S. Nomura) writes:
>>I am accustomed to the type-ahead feature of the VAX/VMS.
>>Is there any easy way to inplement this in unix ? Thank you.
>Boy, are you running on the wrong OS. ...

What the hell are you guys talking about?
UNIX has "always" supported type-ahead.
I think what you are discussing is deferred echo.
Why would you have to have that?