iOS Storage Management Reference

Purpose: Comprehensive reference for storage pressure, purging policies, disk space, and URL resource values Availability: iOS 5.0+ (basic), iOS 11.0+ (modern capacity APIs) Context: Answer to "Does iOS provide any way to mark files as 'purge as last resort'?"

When to Use This Skill

Use this skill when you need to:

• Understand iOS file purging behavior
• Check available disk space correctly
• Set purge priorities for cached files
• Exclude files from backup
• Monitor storage pressure
• Mark files as purgeable
• Understand volume capacity APIs
• Handle "low storage" scenarios

The Core Question