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I'm using Redo Backup Linux Live distribution for Windows disaster recovery situations (Gparted, TestDisk, system imaging, .. ).

I've got the Live system on USB flash disk and I would like to permanently add a few more linux applications to the system (mostly ddrescue). I know how to add an application "for the session" via:

apt-get update
apt-get install ddrescue

But how to save the changes permanently to the flash disk? Can you please provide a script to make an image of actual running system and replace with it the content of the flash disk?

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