1# Core File Kit<!--core-file-api--> 2 3<!--Kit: Core File Kit--> 4<!--Subsystem: FileManagement--> 5<!--Owner: @wangke25--> 6<!--Designer: @bubble_mao; @zhuangzhuang; @gsl_1234--> 7<!--Tester: @liuhonggang123--> 8<!--Adviser: @foryourself--> 9 10- ArkTS API<!--core-file-arkts--> 11 - [@ohos.application.BackupExtensionAbility (Backup ExtensionAbility)](js-apis-application-backupExtensionAbility.md) 12 - [@ohos.file.cloudSync (Device-Cloud Sync)](js-apis-file-cloudsync.md) 13 - [@ohos.file.environment (Directory Environment Capability)](js-apis-file-environment.md) 14 - [@ohos.file.fileuri (File URI)](js-apis-file-fileuri.md) 15 - [@ohos.file.fs (File Management)](js-apis-file-fs.md) 16 - [@ohos.file.hash (File Hash Processing)](js-apis-file-hash.md) 17 - [@ohos.file.picker (Picker)](js-apis-file-picker.md) 18 - [@ohos.file.securityLabel (Data Label)](js-apis-file-securityLabel.md) 19 - [@ohos.file.statvfs (File System Space Statistics)](js-apis-file-statvfs.md) 20 - [@ohos.file.storageStatistics (Application Storage Statistics)](js-apis-file-storage-statistics.md) 21 - [@ohos.fileshare (File Sharing)](js-apis-fileShare.md) 22 - [@ohos.file.BackupExtensionContext (Backup and Restore Extension Capability](js-apis-file-backupextensioncontext.md) 23 <!--Del--> 24 - [@ohos.application.BackupExtensionAbility (Backup and Restore Extension Capability) (System API)] (js-apis-application-backupExtensionAbility-sys.md) 25 - [@ohos.file.backup (Backup and Restore) (System API)](js-apis-file-backup-sys.md) 26 - [@ohos.file.cloudSync (Device-Cloud Sync) (System API)](js-apis-file-cloudsync-sys.md) 27 - [@ohos.file.cloudSyncManager (Device-Cloud Sync Management) (System API)](js-apis-file-cloudsyncmanager-sys.md) 28 - [@ohos.file.environment (Directory Environment Capability) (System API)](js-apis-file-environment-sys.md) 29 - [@ohos.file.fileAccess (User File Access and Management) (System API)](js-apis-fileAccess-sys.md) 30 - [@ohos.file.fileExtensionInfo (User File Access and Management Attribute Information) (System API)](js-apis-fileExtensionInfo-sys.md) 31 - [@ohos.file.keyManager (User Key Management) (System API)](js-apis-file-keymanager-sys.md) 32 - [@ohos.file.recent (Latest Access List) (System API)](js-apis-file-recent-sys.md) 33 - [@ohos.file.picker (Picker) (System API)](js-apis-file-picker-sys.md) 34 - [@ohos.file.storageStatistics (Application Space Statistics) (System API)](js-apis-file-storage-statistics-sys.md) 35 - [@ohos.file.trash (Trash) (System API)](js-apis-file-trash-sys.md) 36 - [@ohos.file.volumeManager (Volume Management) (System API)](js-apis-file-volumemanager-sys.md) 37 - [@ohos.filemanagement.userFileManager (User Data Management) (System API)](js-apis-userFileManager-sys.md) 38 - [@ohos.fileshare (File Sharing) (System API)](js-apis-fileShare-sys.md) 39 <!--DelEnd--> 40 - APIs No Longer Maintained<!--core-file-arkts-dep--> 41 - [@ohos.document (File Operation)](js-apis-document.md) 42 - [@ohos.fileio (File Management)](js-apis-fileio.md) 43 - [@ohos.statfs (statfs)](js-apis-statfs.md) 44 - [@system.file (File Storage)](js-apis-system-file.md) 45- C API<!--core-file-c--> 46 - Modules<!--core-file-module--> 47 - [Environment](capi-environment.md) 48 - [FileIO](capi-fileio.md) 49 - [fileShare](capi-fileshare.md) 50 - [fileUri](capi-fileuri.md) 51 - Header Files<!--core-file-headerfile--> 52 - [oh_environment.h](capi-oh-environment-h.md) 53 - [error_code.h](capi-error-code-h.md) 54 - [oh_fileio.h](capi-oh-fileio-h.md) 55 - [oh_file_share.h](capi-oh-file-share-h.md) 56 - [oh_file_uri.h](capi-oh-file-uri-h.md) 57 - Structs<!--core-file-struct--> 58 - [FileShare_PolicyErrorResult](capi-fileshare-fileshare-policyerrorresult.md) 59 - [FileShare_PolicyInfo](capi-fileshare-fileshare-policyinfo.md) 60- Error Codes<!--core-file-arkts-errcode--> 61 - [File Management Error Codes](errorcode-filemanagement.md) 62 63