| Fd |
| 1 (Type/Class) | System.Posix |
| 2 (Data Constructor) | System.Posix |
| FdOption | System.Posix.IO, System.Posix |
| FileID | System.Posix |
| FileLock | System.Posix.IO, System.Posix |
| FileMode | System.Posix |
| FileNameLimit | System.Posix.Files, System.Posix |
| FileNamesAreNotTruncated | System.Posix.Files, System.Posix |
| FileOffset | System.Posix |
| FileSizeBits | System.Posix.Files, System.Posix |
| FileStatus | System.Posix.Files, System.Posix |
| FlowAction | System.Posix.Terminal, System.Posix |
| fdRead | System.Posix.IO, System.Posix |
| fdSeek | System.Posix.IO, System.Posix |
| fdToHandle | System.Posix.IO, System.Posix |
| fdWrite | System.Posix.IO, System.Posix |
| fileAccess | System.Posix.Files, System.Posix |
| fileExist | System.Posix.Files, System.Posix |
| fileGroup | System.Posix.Files, System.Posix |
| fileID | System.Posix.Files, System.Posix |
| fileMode | System.Posix.Files, System.Posix |
| fileOwner | System.Posix.Files, System.Posix |
| fileSize | System.Posix.Files, System.Posix |
| forkProcess | System.Posix.Process, System.Posix |
