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Contents > Running Active@ KillDisk
> Modes of Operation
Active@ KillDisk User's Guide
3.3.1 DOS Interactive Mode (continued)
3.3.1.2 Wiping the Data
When you select a physical device (for example, Hard Disk 0), the wipe
command processes all logical drives consecutively, deleting data in unoccupied
areas. Unallocated space is not
touched. If KillDisk detects that a partition has been damaged or that it is not safe
to proceed, KillDisk does not wipe data in that area. It does not proceed in
case it is a damaged partition with important data.
If you want to erase data from the hard drive device permanently, see
3.3.1.1 Erasing the Data.
If you want to wipe data in unoccupied areas on selected logical drives,
follow the steps in 3.4 Erasing and Wiping Logical Drives.
- When you have selected the device to wipe, move the cursor to that device.
To wipe all data in unoccupied sectors on the selected
partition, press [F9]. The Wipe Method
screen appears.
- To select a different wipe method, press [Enter]. Wipe methods are
described in Chapter 6 of this guide. Use the keyboard arrow keys
to select the wipe method that you want to use.
Press [Enter] to use the selected method.
- To change another parameter, use the arrow keys to move the cursor to the
parameter. For information on these parameters, see Chapter
6 of
this guide.
- The square brackets represent a check box. To clear the check box if it is
selected, select the parameter and press the spacebar. Similarly, to select the
check box if it is clear, select the parameter and press the spacebar.
- To change a number in a parameter, select the parameter and press [Enter].
Type a number and press [Enter] to accept the number.
Figure 3-6 Wipe Options Screen
- After parameters have been set, move the cursor down to CONFIRM AND WIPE.
- To advance to the final step before erasing data, press [Enter]. The
Confirm Action screen appears.
Figure 3-7 Confirm Action
- This is the final step before wiping data residue from unoccupied space on the selected drive. After the process has started, you may stop it by pressing the [Esc] key.
Type WIPE-FREE-SPACE and press [Enter]. Progress of the wiping procedure will be monitored in the
Disk Wiping screen.
- To stop the process for any reason, press
the [Esc] key. Please note that all existing applications and data will
not be touched, however, data that has been wiped from unoccupied sectors will not be recoverable.
- There is nothing more to do until the end of the disk erasing process. The
application operates on its own without user intervention.
If there are any errors, for example due to bad clusters, they will be
reported on the Interactive screen. If such a message appears, you may cancel
the operation (by pressing [Esc]), or you may continue wiping data.
- After the wiping process is completed, to inspect the work that has been
done, select the wiped partition and press [Enter]. KillDisk scans the
MFT records or the
root records of the partition.
The Files Preview screen appears.
Existing file names and folder names appear in white colour and deleted file
names and folder names appear in gray colour. If the wiping process completed
correctly, the data residue in these deleted file clusters and the place these files hold in the root records or MFT records
has been removed and you should not see any gray-coloured file names or folder
names in the wiped
partition.
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