2.Ram Disk:> ttcp -s -t localhost
ttcp-t: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp  -> localhost
ttcp-t: socket
ttcp-t: connect
ttcp-t: 16777216 bytes in 19.44 real seconds = 842.80 KB/sec +++
ttcp-t: 2048 I/O calls, msec/call = 9.72, calls/sec = 105.35
ttcp-t: 0:19real

3.Ram Disk:> ttcp -s -r
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp
ttcp-r: socket
ttcp-r: accept from 127.0.0.1
ttcp-r: 16777216 bytes in 19.48 real seconds = 841.07 KB/sec +++
ttcp-r: 2144 I/O calls, msec/call = 9.30, calls/sec = 110.06
ttcp-r: 0:19real