CertiGuide to A+ (Operating Systems) - Understanding Disk Compression

When a drive is compressed it looks and feels like a real drive. This is because after compression a new drive letter is assigned to the compressed space. This new space file is called a compressed volume drive (CVF).

The hard drive you compressed became a new drive letter and the CVF file is stored on the uncompressed drive. Confused?

Try picturing this; Drive C is full and needs compression. The Compression Agent will rename that to drive D then compress the contents of that drive and call it drive D. The compressed file CVF is stored on D and then it will become the host drive for C.

The new drive D will look and act just like your old drive C except drive C now has more space on it.

Only drives that have been compressed can have the free space available adjusted.

**Figure 119: Compression Properties for uncompressed drive**

Using Compression Agent

Encryption

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