File system: A file system (or filesystem) is a means to organize data expected to be retained after a program terminates by providing procedures to store, retrieve and update data, as well as manage the available space on the device(s) which contain it.
MIT 5-PC. 8" MULTI-PURPOSE FILE SET features: Sharpens, Shapes, and De-Burrs Hard and Soft Metals and Polymers, 8" Files, 12" Overall Length, Precision-Milled Cutting Teeth, Contoured Handles for a Comfortable Grip, Drop Forged, Hardened and Tempered Steel, 1-pc. Flat, 1-pc. Half Round, 1-pc. Round, 1-pc. Square, 1-pc. Triangular