Environment variable AFD_WORK_DIR When AFD runs it needs to know where it can find the configuration files and also knows where to store it's data you need to tell AFD it's working directory. There are two possible ways to do this: pass it via command line parameter -w setting the environment variable AFD_WORK_DIR= If you have only one AFD running under a user it is best to put the environment variable AFD_WORK_DIR into the .profile file of that user.