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Special Edition Using MS-DOS® 6.22, Third Edition by Jim Cooper

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Appendix D. DOS and DOS Utility Programs' Keyboard Commands

DOS Startup Control Keys

When you start your computer and the Starting MS-DOS... message appears onscreen, you have about five seconds to press a few special keys to bypass some or all of the commands in your CONFIG.SYS and AUTOEXEC.BAT files. These keys are available only in MS-DOS 6.0 and later:

  • F5 (Clean Boot). MS-DOS performs a minimal startup, ignoring any CONFIG.SYS and AUTOEXEC.BAT files in the root directory of the startup drive. DBLSPACE.BIN is still loaded into memory if your ...

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