👉 Filefishes are a type of file system that utilizes the Linux kernel's file system to manage files and directories within a Unix-like operating system. They are designed to be lightweight, efficient, and scalable for managing large amounts of data on a single machine. Filefishes allow users to create their own custom filesystems by creating a new root directory and then using the `filefs` command-line tool to mount and access files and directories within it. Filefishes also offer built-in support for