CHAPTER 2

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Working in the Shell

Every Linux/Solaris system includes at least one command-line interpreter that enables you to interact with the OS. This interpreter is known as a shell. It is an appropriate moniker because the shell’s purpose is to act as a layer that shields you from having to know the internal workings of the OS. The shell allows you to perform complex tasks using simple commands.

If you’re a DBA, you should know how to run shell commands from the command line (OS prompt). Yes, you can perform many DBA tasks through various GUIs, but regardless of the robustness of the GUI, you still have to use the command line to perform tasks ...

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