Demystifying SysV Startup Scripts

All major Linux distributions except Slackware use a collection of startup scripts inspired by the AT&T System V version of Unix. This startup script collection is known collectively as SysV startup scripts, and it's introduced in Chapter 9, "Bypassing Automatic Configurations to Gain Control." These scripts start individual services, which can be servers or nonserver system components such as basic networking or sound drivers. Many servers rely on SysV startup scripts to operate, so this topic requires more attention. In order to effectively change the operation of servers that launch via SysV startup scripts, you must know where the scripts are located and how to use them, both to start and stop servers on a one-time basis and to make more persistent modifications. You should also know that many distributions ship with tools designed to help you manipulate your SysV startup scripts.

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