Windows 7 DISM

Windows 7 has a new command-line tool called Deployment Image Servicing and Management

DISM enables you to service Windows Images and prepare Windows Pre Installation Environment images . In Windows Vista this was known as Package Manager

DISM is used to

• Add, remove and open packages
• Enable or disable different Windows features
• Use the offline servicing section of an unattended XML answer file to apply changes
• Configure international settings and add language packs
• Use Windows images to upgrade to a different edition
• Prepare for Windows PE images
• Use old package manager scripts
• take advantage of better logging.
• Service down-level OS such as Windows Vista with Service 1 or windows 2008