The popular commands I am giving collected based on my experience and other senior developers. The first few commands read here, before you move into next level.
The all about some very basics of ISPF key points, highly useful if you are a new to mainframe ISPF or an existing mainframe programmer. Read more.
The SDSF spool display and search facility in Mainframe helps you do many activities related to Jobs you have submitted from JCL. Read more.
Mainframe tips that you may apply in your project.