Operating Systems - Customizing DOS

Config.sys

The config.sys file is a text file which loads device drivers and defines parameters for MS-DOS.

· device is used to load device drivers

· device high loads the driver into the high memory area

· dos defines the area of memory where DOS will be loaded

· drivparm defines disk drive specifications

· fcbs specifies the number of file control blocks

· files specifies the number of files that can be opened at the same time

· install runs a resident program (TSR - terminate and stay resident)

· last drive defines the number of valid disk drives

· shell indicates that another command prompt other than

· COMMAND.COM should be used.

· stacks specifies the amount of memory reserved for hardware interrupts

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