assembler source file

assembly language source file

current source file

cutter location source file

external source file

formatted source file

job source file

file primary source

file system input source

keyed file file access system

double Z-source voltage source inverter(DZVSI)

source to source transformation

Source-to-Source

source-to-source conversion

FDFS File Descriptor File System

file allocation table file system FAT

file to file

file usage file

tape file-to-tape file transfer