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 the most recent operating system IBM i 7.3 with all new features you need to learn about the fantastic operating system IBM i and its open source capabilities.
The use of this server is free for everyone's learning purposes including 250MB of storage. Please take note that commercial usage is not allowed.

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.