Kumacs are an integral part of the software, closely coupled to the code, and are released together with the code as a unit.

The standard types of kumacs are UTIL, PAM, and CHAIN.

• UTIL kumacs:
  There are utility kumacs which setup default search paths for kumacs, setup standardized directory structure for tables in STAF, define global macros, input and output files, write ntuples, etc.
• PAM kumacs:
  each DOMAIN should have a create_tables_domain.kumac with a different macro for each PAM --> to create the tables needed
• PAM kumacs:
  each PAM will have an init_pam.kumac and a run_pam.kumac associated with it, with different macros for each module in the PAM --> to initialize and run the PAM from the chain kumac
• CHAIN kumacs:
  The chain kumacs run a set of PAMs in a domain and also sets of PAMs in many domains. They use the utility kumacs and PAM kumacs.