File systems in Linux and Unix-like operating systems like macOS can be mounted, unmounted, and remounted using the terminal. This is a powerful and versatile tool—here's everything you need to know.

Mac OS X supports a handful of common file systems—HFS+, FAT32, and exFAT, with read-only support for NTFS. It can do this because the file systems are supported by the OS X kernel. Formats such as ...