Mainframe USS ISV System Engineer

- z/OS Unix systems API and interactive shell open systems interfaces and their relationship with the z/OS operating system,

- terminology, components and major functions provided in z/OS Unix

- parameters contained within BPXPRMxx and IOEPRMxx, including how they control the z/OS Unix environment and the associated zFS filesystems,

- defining system limits (system-wide and process-level limits),

- reporting and managing these limits,

- parameter settings that influence user logon, active processes, file handling, and storage requirements,

- customizing other parmlib members interacting with z/OS Unix (COFVLFxx, CTnBPXxx, IEADMR00, SMFPRMxx),

- understanding and managing all aspects of zFS filesystem handling (allocation, growth, performance, etc),

- understanding all aspects of USS process handling.