Featured Articles
Contact
This page provides a list of links to each system and contact information.
About account and password
Information on changing the password of the Information Science Department account due to changes in the integrated authentication infrastructure of the Campus-wide Network System.
2026 Academic Year RAT Introduction
This page summarizes how to join RAT.
Orientation Materials and Q&A for 2026 Academic Year Students
This page includes orientation materials for the 2026 Academic Year Loaned PCs, answers to frequently asked questions, and links to Microsoft 365 training.
About the GPU cluster of the Department of Informatics and Research
Information on the GPU cluster introduced as research equipment for the Faculty and Graduate School of Computer and Information Sciences.
Frequently Asked Questions and Answers
This page summarizes common questions regarding RAT and their answers. Please review this page if you have any uncertainties.
Campus Information
Wireless LAN usage method
About account and password
Mailing list
Information Science Department Subdomain and Shared Rental Server
Rental software
About the GPU cluster of the Department of Informatics and Research
How to apply for a TA account
VPN Service
About the disposal method of the equipment of Hosei University
Equipment Information
Rental notebook
Troubleshooting/Repair Request
How to use the recovery system
How to use compression and decompression software
How to use the printer
Notes on the use of the lab
How to use SSH/SCP
Frequently Asked Questions and Answers
Contact
If there is any trouble with the equipment provided by RAT, please contact us by email or come to the RAT room (West Building 4th Floor M-1/W4007).
Category
The following articles are old content.
About
This site is an information portal for students of Hosei University, operated by CIS RAT of the Faculty of Computer and Information Sciences.