org.apache.hadoop.fs
Interfaces 
HasFileDescriptor
PathFilter
PositionedReadable
Seekable
Syncable
Classes 
BlockLocation
BufferedFSInputStream
ChecksumFileSystem
CommonConfigurationKeys
ContentSummary
DF
DU
FileChecksum
FileStatus
FileSystem
FileSystem.Statistics
FileUtil
FilterFileSystem
FSDataInputStream
FSDataOutputStream
FSInputChecker
FSInputStream
FSOutputSummer
FsShell
FsUrlStreamHandlerFactory
GlobPattern
HardLink
HardLink.LinkStats
HarFileSystem
InMemoryFileSystem
LocalDirAllocator
LocalFileSystem
MD5MD5CRC32FileChecksum
Path
RawLocalFileSystem
Trash
Enums 
HardLink.OSType
Exceptions 
ChecksumException
FileAlreadyExistsException
Errors 
FSError