There are a number of ways to edit an IFS stream file on IBM i. Below is a list of some of our favorites.
EDTF - The Edit File (EDTF) ships with the IBM i operating system and is a nice last resort editor that's always there. To edit a file you issue the following command:
Here is a screenshot of EDTF:
RPGNextGen Editor - This is an editor based on Eclipse that can be installed within an existing Eclipse install or as a stand alone download.