HP compaq t5000 ユーザーズマニュアル

Disables the overlay on the specified protected volume.

Enables the Enhanced Write Filter so that data written to the 
protected media is cached in the overlays. The current overlay level 
becomes 1 as soon as EWF is started, and a new overlay is created at 
level 1.

Combination of the commit and disable commands. This command 
commits data in the overlay upon shutdown and disables EWF after 
the system reboots.

In addition to the DOS command-line tool, the Windows XP 
Embedded image now includes an Enhanced Write Filter (EWF) 
GUI. You can access the EWF GUI through the Control Panel or the 
Administrative Tools option for the administrator. 

To access the EWF GUI:

1. Log in as an administrator

2. Select Start > Control Panel > Other Control Panel Options or 

Start > Control Panel > Performance and Maintenance > 
Administrative Tools.

3. Click the EWF Manager icon.

4. Use the EWF GUI to Select Write Filter options.

The EWF GUI includes the following buttons:

This button is the same as executing 

 from 

the DOS prompt.

This button is the same as executing 

 from 

the DOS prompt.