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Contents > RUNNING Active@ KillDisk
Users Guide
DOS Command Line Mode
This section describes running Active@ KillDisk for Hard Drives in Command
Line mode.
Follow these steps:
-
With the PC power off, insert the Active@ KillDisk for Hard Drives floppy
disk into drive A:
-
Start the PC by turning on the power. The screen will display the Microsoft DOS
prompt.
-
At the DOS prompt, display Active@ KillDisk for Hard Drives parameters
by typing:
A:\>KILLDISK -?
A list of parameters will be displayed. Explanations of
the parameters can be found in the table on the following page.
Table 3-2 Command Line Parameters
Parameter
|
Default
|
Options
|
no parameter |
|
With no parameter, the DOS Interactive screens will appear.
|
-erasemethod=[0-6] |
0 |
0 - One pass zeros (quick, low security)
1 - One pass random (quick, low security)
2 - US DoD 5220.22-M (slow, high security)
3 - German VSITR (slow, high security)
4 - Russian GOST p50739-95 (slow, high security)
5 - Gutmann (very slow, highest security)
6 - User Defined Number of Passes (random)
|
-passes=[1 - 99] |
1 |
Number of times the write heads will pass over a disk area to overwrite data.
Valid only if erasemethod = 6.
|
-verification=[1 - 100] |
40 |
After the data erasing process is complete, the utility reads the disk space to
verify that the actions performed by the write head comply with the chosen
erasemethod (reading 40% of the area by default). It is a long process. Set the
verification to the level that works for you.
|
-retryattempts=[1 - 99] |
5 |
When the drive write head encounters an error in the sector, the utility will
retry to write in the sector 5 times by default.
|
-erasehdd=[80h - 83h] |
|
By default, the utility will erase the first logical drive encountered. Use
this parameter to direct the erasing procedure to the correct target.
|
-ignoreerrors |
ON |
By default, the erasing process will stop each time a disk error is
encountered. You have the option to continue erasing or to stop the process and
deal with the error. When this parameter is used, all errors are ignored.
|
-clearlog |
ON |
When a drive is erased, a log file is kept. By default, this log is cleared at
the start of the erasing process. The log file is stored in the same folder
where the software is located.
|
-noconfirmation |
ON |
Skip confirmation steps before erasing starts. By default, confirmation steps
will appear in command line mode for each hard drive or floppy as follows:
Are you sure?
|
-test |
|
If you are having difficulty with Active@ KillDisk for Hard Drives, use this
parameter to create a hardware info file to be sent to our technical support
specialists. |
-eraseallhdds |
|
Erase all detected hard disk drives
|
-help
or
-?
|
|
Display this list of parameters. |
-
Key the command and parameters into the DOS screen at the prompt. Here is an
example:
A:\>KILLDISK -eraseallhdds -erasemethod=6 -passes=7
-noconfirmation
In the example above, data on all hard drives will be
erased in seven passes without user confirmation.
-
Press [Enter] to complete the command and start the process.
After operation has completed successfully information on how drives have been
erased is displayed on the screen, similar to the message in Figure 3-8,
above.
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