Usage: ttymon[-?][-s][-r][-l file][-c][-d][-t#][-o#][-b#] port1 port2
| -? | Print option summary |
| -s | Disable display of session on stdout (default=display enabled) |
| -l | Specify file for log output (Has no effect on display to stdout) |
| -o | Write an output entry at regular intervals of independent data |
| -d | Put process in daemon state |
| -r | Disable raw mode on ports |
| -t | Buffer size threshold for forcing a write before timeout |
| -o | timeout value in milliseconds |
| -b | Input buffer sizes |