The Basis of UNIX
Most everything in UNIX comes down to files and directories. If you understand the hierarchical UNIX file system layout and how to manipulate files and directories, then you're a long way toward UNIX understanding. In this and upcoming chapters you'll see examples from several UNIX variants as well as Linux.
A lot goes into working with UNIX files and directories. This chapter covers the basics and background of files and directories in UNIX, including:
The file command
The ls command
The file system layout
There are references to a number of UNIX operating systems in this chapter, including Linux, because the commands covered apply to most all UNIX variants.
The next chapter, Chapter 21, covers commands related to files and directories. ...
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