Making YouTube videos

Made YouTube videos about Hercules MVS mainframe coding locally. Made them for myself posted privately, but may make them Public. Have another in mind. Using virtual tapes to load large amounts of data into MVS. Both of these topics were personally important to me! I’ll do Mainframe emulation for a while then stop long enough …

Hercules virtual tape – large datasets

These are timings for a large one million customer records, dataset. It follows the same process below. It just goes to show my reasoning why I like this method to move large datasets to the virtual mainframe. Use maketape to create the virtual tape file! bill@bill-MS-7B79:~/Mystuff/Mainframe/MVS/JCL/TAPEDASD$ time ./maketape INPUT: customer-million.txt VOLSER: VOL001 DATASET: CUSTOMER.FILE OUTPUT: …