The expression can be traced back to horse racing in the 1700s when goats were used to settle the horses. A young goat. An idiom is a turn of phrase that doesn't make sense when literally translated.
Description: GTF file is a General Feature Format File. The Gene transfer format (GTF) is a file format used to hold information about gene structure. It is a tab-delimited text format based on the general feature format (GFF), but contains some additional conventions specific to gene information.
Information file (Generic) INF is a file extension for a plain text file used by Microsoft Windows for the installation of software and drivers. Also referred to as a Setup Information file. The INF file contains various sections that specify the files to be copied, changes to the registry, etc.