To run HCO tools under UNIX, the user ID under which the HCO tools are executed must have BINDADD or SYSADM permissions on the database.
To successfully compile DB2 applications with the CHARSET(EBCDIC) directive, you must configure your environment to enable HCO support by setting the MFHCO environment variable to YES. For example:
MFHCO=YES export MFHCO