| File access interface| 1. Provides complete JavaScript APIs to implement basic file access capabilities.<br>2. Provides extension APIs for local files, distributed files, and cloud files.|
| File access interface| 1. Provides complete JavaScript APIs to implement basic file access capabilities.<br>2. Provides extension APIs for local and distributed files.|
| Storage management | 1. Provides data backup and restore to support system and application data backup and cloning.<br>2. Provides space management capabilities such as application space clearing and statistics, and quota control.<br>3. Provides storage management capabilities such as mount operations, external card management, device management, and multi-user management.|
| User files | 1. Provides a sandbox to ensure user data security and purity.<br>2. Allows access to user data only through **mediaLibrary**.<br>3. Provides a unified file management framework.<br>4. Supports distributed and device-cloud capabilities.|
| Application files | 1. Provides a sandbox to ensure the least privilege as well as application data security.<br>2. Supports file sharing between applications, across devices, and in groups.<br>3. Allows applications to access distributed and cloud files as they access local files.|
| Distributed capabilities | 1. Provides basic cross-device access capabilities and supports distributed access using the same account and temporary access using different accounts.<br>2. Supports device-cloud interaction irrespective of the data locations.<br>3. Supports cross-device hopping, such as application hopping and distributed pasteboard.|
| User files | 1. Provides a sandbox to ensure user data security and purity.<br>2. Allows access to user data only through **mediaLibrary**.<br>3. Provides a unified file management framework.|
| Application files | 1. Provides a sandbox to ensure the least privilege as well as application data security.<br>2. Supports file sharing between applications, across devices, and in groups.|
| Distributed capabilities | 1. Provides basic cross-device access capabilities and supports distributed access using the same account and temporary access using different accounts.<br>2. Supports cross-device hopping, such as application hopping and distributed pasteboard.|
| Basic file system| 1. Supports local file systems such as ext4, Flash-Friendly File System (F2FS), Extensible File Allocation Table (exFAT), and New Technology File System (NTFS).<br>2. Supports network file systems such as the distributed file system and Network File System (NFS).<br>3. Provides tools related to file systems.|
