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Table Of Contents  CertiGuide to A+ (A+ 4 Real)
 9  Chapter 1: What are Operating Systems and How Do They Work?
      9  CDI System Commands

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The DIR Command
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The CD Command

“CD” stands for “Change Directory”, which is precisely the purpose of this tool. It is the CDI equivalent of double clicking a folder within Explorer – it moves the current directory context to the new location. The syntax is simply “cd directoryname”. If the directory does not exist, a warning stating, “The system cannot find the directory specified” will be displayed. If the directory exists and the context change was successful (i.e.: the directory change was not denied due to NTFS permissions), the prompt will be updated to reflect the new directory context.

The one anomaly to be aware of occurs when changing drives. If the current directory context is “C:\”, and you wish to change this to “E:\”, typing “cd e:\” will not produce the desired result. To accomplish this, you must type the drive letter of the new location without the trailing “\”, for example “e:” on its own. This will cause the context to change to the root of the new drive, from which you can continue to use the CD command as normal.

Figure 176: The CD Command

 


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