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Chapter 19. Configuring Your Computer > Fine-Tuning Your Computer with CONFIG.S...

Fine-Tuning Your Computer with CONFIG.SYS and AUTOEXEC.BAT

In addition to the commands covered earlier in this chapter, you can use many other commands in CONFIG.SYS or AUTOEXEC.BAT to customize your computer configuration. The following sections discuss other useful commands: FCBS, FILES, LASTDRIVE, SHELL, INSTALL, REM, and SWITCHES.

Accessing Files through FCBS

The FCBS configuration command enables you to use programs written for DOS 1.1; some DOS users find FCBs indispensable. FCB is an acronym for file control block. FCBs serve as one way a program can access a file. This method of file access was used by DOS 1.1 to communicate with programs. Later versions of DOS borrow a Unix-like method for controlling files, called handles (discussed in “Using the FILES Command” in this chapter). Although FCBs can be used with any version of DOS, only DOS 2.0 and higher can use handles.


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