The public IBM i for everyone!


Welcome to PUB400.COM - your public IBM i system!

PUB400 is the successor of PUB1 - the worlds famous public AS/400 system with more than 40.000 users. Now you will have access to a more recent operating system with all new features you need to learn about the fantastic operating system IBM i.
The use of this server is free for everyone's learning purposes - so get started now!

For more information on how to sign up follow this link: What is this all about?


This service is provided to you by RZKH GmbH. Visit our pages for interesting IBM i hosting offerings.