SUMMARY:   Suitable for the BCS Mainframe Technology professional Exams for level 2 Engineer (Operations Analysis) and Level 2 Engineer (z/OS) AUDIENCE:   This course is designed for operations, scheduling, and help desk personnel. Systems programmers looking for an introduction to JES3 would also benefit. PREREQUISITES:   The participants should have a basic understanding of JES3 Concepts. DURATION:   1 Day. Lecture Based. OBJECTIVES:   After taking this course the student should be able to: Understanding JES3 functions. Using JES3 within the scope of Sysplex Using JES3 command to control components of the JES3 System Using the proper format of JES3 commands to control components of the JES3 system. Using JES3 commands to control remote stations and lines. (RJE) Using the JES3 commands to control the SPOOL function Using JES3 commands to control jobs in the JES3 environment COURSE CONTENT:   JES3 FUNCTIONS Single system image Workload balancing Availability Control flexibility Physical planning flexibility JES3 WITHIN THE SYSPLEX ENVIRONMENT Single processor environment Multi processor environment JES 3 spool for shared data storage Processor communications CONTROLLING JES3 DEVICES AND FUNCTIONS Overview of devices JES3 Input and Output Processing JES3 support for operator console devices JES3 command routing JES3 message formatting and queuing JES3 NETWORK CONTROL Remote job processing in JES3 environment BSC remote job processing SNA remote job processing Support for APPC JES3 SPOOL FUNCTIONS Types of startup Spool utilization Problem determination JES3 COMMANDS FOR JOB CONTROL Commands for obtaining and changing status Resource management for operations Starting and stopping devices Placing devices on-line and offline Workload management for operators