Understanding Disk-based File Systems

Most people think their files live on a disk somewhere. Among technical professionals, there are more people comfortable with the idea of remote storage, network drives, and all that. The so-called cloud has brought more consumers around to using storage “somewhere out there.” Still, the concept for most boils down to some disk at some location most people think of as the place files go.

The Solaris operating system, and UNIX systems in general, promote this simple, if not entirely accurate, view. The design of the system hides the details of every file system implementation in kernel code so that any user, human or automated, needs only a location and a name to identify any one file. But if you’ve ever tried ...

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