A longer answer:
At logon your Korn shell will read and execute your $HOME/.profile file, and then, will search for a veriable named $ENV, if it exists and points to a file it will read that file and execute it.
And whenever a new Korn shell start again it will search for the file to re-execute it again. You can put in your $ENV file anything what you want to run at init in all your shells (like alias definitions!).
I hope it works...
I hope it works...
Unix was made by and for smart people.