National Computational Infrastructure


Help Resources

NCI maintains a detailed User Guide at

If you can’t find the answer to your question, submit a request to the NCI Help Desk by going to and logging in with your NCI account. Help requests can also be submitted directly by email to NCI User Services (

These links to the NCI User Guide provide easy access to information about using NCI systems.

Reference Guides and Introductory Resources

Unix Quick Reference Guide
Raijin Quick Reference Guide
Raijin User Guide
How to Use PBS
Raijin FAQs
Raijin Filesystem
Application Software
Software Request
License Status

Debugging and Analysis Resources

Software Development
Parallel Program Debugging User Guide
General Performance Analysis Tools
MPI Performance Analysis Tools
Debugging Memory Problems
Profiling Performance Tools (PDF)

In Collaboration With