Ray Trygstad
Instructor, Open Source Systems
About Me
Ray Trygstad teaches "Introduction to Open Source Operating Systems" at Illinois Tech, preparing students for modern tech careers with a hands-on curriculum in Linux, shell scripting, and open source system administration. This course covers foundational concepts including Unix history, Linux configuration, networking, automation, package management, and security, enabling learners to master real-world skills essential for IT and open source environments.