Mach SIx Commands
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 AVERAGE          - Average numeric fields in database
 COPY TO ARRAY    - Copies field data into a multi-dimensional array
 COPY TO          - Copy records to a new database or ASCII file
 COUNT            - Count records that meet a logical condition
 DELETE           - Mark records for deletion
 DISPLAY          - Display records to the console
 INDEX            - Create an index file or tag
 LIST             - List records to the console
 RECALL           - Unmark records that have been marked deleted
 REFRESH FILTER   - Refreshes the active filter on shared files
 REPLACE          - Assign new values to one or more fields in a database
 SEARCH FOR       - Fills array with record numbers for a condition
 SET FILTER       - Hide records not meeting a condition
 SET OPTIMIZE     - Toggle automatic optimization on/off
 SET TYPECHECK    - Override default type checking
 SORT             - Copy to a new table in sorted order
 SUM              - Sum numeric variables in database
 TOTAL            - Total numeric fields by key value to a new database