This is the FastFax trace file –
You can end the FastFax subsystem from the FFXMAIN menu –
Then from an ISeries command line type FFXTOOLS – choose f8 to confirm your library name
From the FastFax tools menu take option 2 to clear the FFXTRC file.
You can also run from an Iseries command line
CLRPFM FILE(FASTFAX/FFXTRC)