file format
file identification block
file manager
file name
file name extension
file-rail
file server
file size
file storage
file structure
file system
File Transfer Protocol (FTP)
filemot
filer
filespec
filet
filial
filiality
filialness
filiate
filiation
filibeg
filibuster
filicidal
filicide
filicoid
filicology
filiety
filiform
filigree