In this episode of the I Am a Mainframer podcast, Sam Golob delves into the history of the CBT Tape, a vital collection of user-created software for mainframe systems programming. Golob shares how the CBT Tape began in the 1970s, evolving from a physical tape to an online repository. He also discusses his role in maintaining this key resource, which continues to serve as a hub for systems programmers to share tools and solutions within the mainframe community.