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  • Platform

  • Execution Context (EC)
  • Execution Context Stand-Alone (ECSA)
  • Service Context (SC)
  • Command Line Tool (mzsh)
  • Desktop

EC and ECSA are similar. However, while ECs always depend on a running Platform, ECSAs can run independently.

The Platform, ECs, ECSAs, and SCs run in "containers", that are installed on one or more hosts. Each installation is assigned a container name to identify it uniquely within a system. One host, physical or virtual, may hold several containers, each one with a unique name and installed in separate home (MZHOME) directories. 

There are two types of containers:

  • The Platform Container runs the Platform and optionally EC, ECSA and SCs. The Platform is always included in a Platform Container installation.
  • Execution Containers run ECs, ECSAs and SCs. These pico instances are typically configured after the installation of the container.