Chapter 8. Files and File Systems

The file system is a basic workhorse component of an operating system. Figure 8-1 shows the big picture of the file management subsystem in the HP-UX kernel. Our study is divided into three phases: first we examine basic file system concepts, then we focus on the design and implementation of the classic UNIX File System (UFS), and finally we examine the kernel-resident structures utilized to keep track of mounted file systems.

Figure 8-1. The File Management Subsystem

Not all applications store data of the same type or follow the same data utilization modes. Over the years, a variety of file system types have ...

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