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Chapter 10. Working with System Information > Changing the Date and Time

Changing the Date and Time

In Chapter 5, ”Understanding Files and Directories,” you learned a bit about how DOS stores files using a directory. This directory maintains critical information about each file on your disk, including the filename, its attributes, its size, and where it is stored on the disk. It also contains date and time information that indicates when the file was last updated. This information is often referred to as a date and time stamp. This stamp is updated from the system date and time whenever you make changes to the file.

Your computer uses a battery-powered clock to maintain the date and time used by your system. Even when the computer is turned off, power from the battery goes to the chip containing the clock, and the date and time remain current.


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