Task and program execution control

• Starting, interrupting and terminating
• User and job switches
• Intertask communication (ITC)
• (Task) serialization
• Eventing
• Contingency processes
• STXIT procedure with contingency processing
• Distributed Lock Manager (DLM)
  • Structure of a DLM lock
  • Functions of the DLM
  • Synchronous and asynchronous lock requests
  • Lock name
  • Cluster systems and single systems