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What is sandbox in ios?

September 12, 2014

For security reasons, iOS places each app (including its preferences and data) in a sandbox at install time. A sandbox is a set of fine-grained controls that limit the app’s access to files, preferences, network resources, hardware, and so on. As part of the sandboxing process, the system installs each app in its own sandbox directory, which acts as the home for the app and its data.

ios_app_layout_2xTo help apps organize their data, each sandbox directory contains several well-known subdirectories for placing files. Above Figure shows the basic layout of a sandbox directory.