Computer cannot start if no proper boot device exists, or if the active boot device fails.
Mount a file folder as a drive-letter, like a shortcut to make it easier to access the folder.
Description of environment variables and how to configure them.
Describes the benefits and the costs of using multiple partitions.
How to use the FOR keyword in a batch file to search all available partitions for a file mask.
How to use the FOR keyword to perform an operation on a collection of files that matches a wildcard.
How to use the Choice program to present a set of options the user can choose from.
How to check the ERRORLEVEL variable to get the return code of a program.
How batch files gets input parameters and how to access these parameters in the batch file.
How to create your own sleep / wait command, which be used in other batch files.
How to wrap a batch file around the pkzip and pkunzip command line utiltities.
How to create a batch file that works like a dir command but only lists executables.
List of the available command line switches for scandisk.
Description of the special switch for MEM to diagnose conventional memory usage, and how to put it in a batch file.
Description of the PATH environment variable, and how to configure it.
How to change the listing of files and folders when using the dir command with an environment variable.
Description of the temporary directory, and how to change the location using environment variables.
Description of the options available for styling the DOS prompt.
How to use environment variables to detect that a batch file is executed within Windows.
How to write a batch file with description of different commands available.
How to configure Himem.sys so it will not perform memory testing.
How to get fdisk to create small FAT32 partitions with special parameter.
How to check if a filename or directory exists
How to use the TYPE command to perform file manipulation on text files.
How to use the copy command to copy from the keyboard and into a text file.
How to change the number of visible lines in a command prompt.
How to rewrite the master boot record with fdisk to disable a boot-sector virus.
Description of the ECHO command and the possible ways to make output.
How to use the diskcopy command to copy floppy disks using only one floppy drive.
How to bypass or single step through the startup files Config.sys and Autoexec.bat using the keyboard keys F5 and F8.
How to increase the memory available for environment variables at the expense of conventional memory.