The capture and build environment

You cannot write a book about a packaging format without discussing the environment used to create the packages. The environment you use to capture an installation is of great importance.

ThinApp uses a method of snapshotting when capturing an application installation. This means you create a snapshot (Pre-Installation Snapshot) of the current state of the machine. After modifying the environment, you create another snapshot, the Post-Installation Snapshot. The differences between the two snapshots represent the changes made by the installer. This should be all the information you need in order to run the application. Many packaging products use snapshotting as a method of capturing changes. The alternative would ...

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