Short: Display info about mounted filesystems. V1.1 Author: erd@kumiss.infinet.com (Ethan Dicks) Version: 1.1 Source: Fish collection Tested: A1000, A500, A3000, WB1.2, WB1.3, WB2.1 Requires: WB1.2 (V33) or newer Date: 1990.02.26 FileSystems traces its way through the RootBlock system structure and formats and displays information about each of the mounted filesystems, including device driver name, unit number, BufMemType, and the physical geometry of the device (such as 80 tracks by 2 sides by 11 sectors per track). .