Free Online Tutorials

• Assembler for non-Assembler Programmers
  
  
• BLKSIZE : Relevance to Performance and Capacity
  
  
• Commercial arithmetic in different languages
  
  
• Calculating the sum of a sequence of numbers
  
  
• Introduction to the IBM Mainframe
  
  
• Program Termination : What do we know?
  
  
• REXX : Interfacing with LE
  
  
• REXX : Using EXECIO
  
  
• Role of the Linkage Editor / Program Binder
  
  
• SPACE: Requests vs Extents

Free Online Tutorials Continued

• z/OS JCL as a Resource Manager

Self-study courses

Many of the courses I have delivered have or are being converted to self-study format, accessible via the WEB for a fee. Here is a list

The courses do not involve YouTube, but are illustrated WEB pages with supporting PDFs, audio files, and a degree of interaction, in addition to practical exercises requiring mainframe access.