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Contents > Running Active@ KillDisk
Active@ KillDisk User Guide
3.3.2 DOS Command Line Mode
To run Active@ KillDisk in command line mode:
- 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 below.
Table 3-2 Command Line Parameters
Parameter |
Short |
Default |
Options |
no parameter |
|
|
With no parameter, the DOS Interactive screens will appear. |
-erasemethod=[0-6] |
-em= |
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] |
-p= |
3 |
Number of times the write heads will pass over a disk area to overwrite data. Valid only if
-erasemethod = 6. |
-verification=[1 - 100] |
-v= |
10 |
Set the amount of area the utility reads to verify that the actions performed by the write head comply with the chosen erasemethod (reading
10% of the area by default). It is a long process. Set the verification to the level that works for you. |
-retryattempts=[1 - 99] |
-ra= |
5 |
Set the number of times that the utility will try to
rewrite in the sector when the drive write head encounters an error. |
-erasehdd=[80h - 8Fh] |
-eh= |
|
Name the hard drive to be erased. By default, the utility erases
the first logical drive encountered. |
|
-eraseallhdds |
-ea |
|
Erase all hard disk drives. |
-ignoreerrors |
-ie |
OFF |
Do not stop erasing each time a disk error is encountered.
When you use this parameter, all errors are ignored. |
-clearlog |
-cl |
|
Use this parameter to clear the log file
before recording new activity. When a drive is erased, a log file is kept. By default,
new data is appended to this log for each erasing process. The log file is stored in the same folder where the software is located. |
-noconfirmation |
-nc |
|
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? |
|
-log |
|
|
Save report and error events to a log file. |
|
-beep |
-bp |
|
Beep after erasing is complete. |
|
-wipeallhdds |
-wa |
|
Wipe all hard drives. |
|
-wipehdd = [80h-8Fh] |
-wh= |
|
Name the hard drive to be wiped. |
-test |
|
|
If you are having difficulty with Active@ KillDisk for Hard Drives, use this parameter to create a hardware information file to be sent to our technical support specialists. |
-batchmode |
-bm |
|
Execute in batch mode based on command line
parameters with no user interaction. |
-help
or
-? |
|
|
Display this list of parameters. |
Note: Parameters -test and -help must be used alone. They cannot be used with
other parameters.
- Key the command and parameters into the DOS screen at the prompt. Here is
an example:
A:\>killdisk.exe -eh=80 -bm
In the example above, data on device 80h will be erased
using the default method (one pass zeros) without confirmation and return to the
DOS prompt when complete.
Here is another example:
A:\>killdisk.exe -eh=80 -nc -em=2
In this example, erase all data on device 80h without confirmations,
using US DoD 5220.22-M method, and show a report at the end of the process.
Here is an example with the wipe disk command: A:\>killdisk.exe -wa -bm -em=5 -nc
Wipe all deleted data and unused clusters on all attached drives without
confirmation using Gutman's method and return to the DOS prompt when
complete.
- 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.
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