Allied Telesis AT-S97 - Manual (Page 178)

Chapter 9: File System Commands
178
This command deletes the configuration file “BM.cfg” from the media
converter module in slot 2 in a chassis with an ID number of 0:
file delete filesystem=system://0/2/BM.cfg”
This command deletes all the configuration files starting with “BM” from a
media converter module in slot 2 in a chassis with an ID number of 0:
file delete filesystem=system://0/2/BM*.cfg