https://www.coursera.org/learn/cobol-programming-vscode https://www.coursera.org/learn/cobol-programming-vscode is one place to start. :) If you're done that,

https://www.coursera.org/learn/cobol-programming-vscode https://www.coursera.org/learn/cobol-programming-vscode is one place to start. :) If you're done that, I presume there's also https://www.coursera.org/professional-certificates/ibm-z-mainframe https://www.coursera.org/professional-certificates/ibm-z-mai... though it's starting to feel even more like marketing after seeing all that.