| B0 | System.Posix.Terminal, System.Posix |
| B110 | System.Posix.Terminal, System.Posix |
| B115200 | System.Posix.Terminal, System.Posix |
| B1200 | System.Posix.Terminal, System.Posix |
| B134 | System.Posix.Terminal, System.Posix |
| B150 | System.Posix.Terminal, System.Posix |
| B1800 | System.Posix.Terminal, System.Posix |
| B19200 | System.Posix.Terminal, System.Posix |
| B200 | System.Posix.Terminal, System.Posix |
| B2400 | System.Posix.Terminal, System.Posix |
| B300 | System.Posix.Terminal, System.Posix |
| B38400 | System.Posix.Terminal, System.Posix |
| B4800 | System.Posix.Terminal, System.Posix |
| B50 | System.Posix.Terminal, System.Posix |
| B57600 | System.Posix.Terminal, System.Posix |
| B600 | System.Posix.Terminal, System.Posix |
| B75 | System.Posix.Terminal, System.Posix |
| B9600 | System.Posix.Terminal, System.Posix |
| backgroundRead | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| backgroundWrite | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| BackgroundWriteInterrupt | System.Posix.Terminal, System.Posix |
| badSystemCall | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| BaudRate | System.Posix.Terminal, System.Posix |
| bitsPerByte | System.Posix.Terminal, System.Posix |
| blockSignals | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| blockSpecialMode | System.Posix.Files, System.Posix |
| BothQueues | System.Posix.Terminal, System.Posix |
| breakpointTrap | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| busError | System.Posix.Signals, System.Posix.Signals.Exts, System.Posix |
| ByteCount | System.Posix |
