systemFreeSize
The key in a file system attribute dictionary whose value indicates the amount of free space on the file system.
Discussion The corresponding value is an NSNumber object that specifies the amount of free space on the file system in bytes. The value is determined by statfs().
important:
This API has the potential of being misused to access device signals to try to identify the device or user, also known as fingerprinting. Regardless of whether a user gives your app permission to track, fingerprinting is not allowed. When you use this API in your app or third-party SDK (an SDK not provided by Apple), declare your usage and the reason for using the API in your app or third-party SDK’s PrivacyInfo.xcprivacy file. For more information, including the list of valid reasons for using the API, see Describing use of required reason API .
See Also Accessing File Attributes