If I remember correctly, whenever a new app is installed on the Android device, a UNIX user and The group will be tailored to the app so whenever the app writes in its / data / data / (app identifier) folder, then that file will be owned by that specific app user.
However, when I try to see those app users / system / etc / passwd (if I remember correctly), they are not there. So I'm wondering how Android has managed those app users?
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