ingunset Command--Delete Environment Variable
The ingunset command deletes or unsets the specified Vector environment variable from the symbol table.
This command affects only Vector environment variables stored in the symbol table (symbol.tbl), not Linux environment variables.
Caution: Never edit the symbol table directory.
The ingunset command has the following format:
ingunset variable_name
variable_name
Specifies the installation variable that you want to unset.