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		 复制C:\Documents and Settings\Administrator>ping /?命令              Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]                               [-r count] [-s count] [[-j host-list] | [-k host-list]] [-w timeout] [-R] [-S srcaddr] [-4] [-6] target_name 
 Ping the specified host until stopped. To see statistics and continue - type Control-Break; To stop - type Control-C. -aResolve addresses to hostnames. -n count Number of echo requests to send. -l sizeSend buffer size. -fSet Dont Fragment flag in packet (IPv4-only). -i TTLTime To Live. -v TOSType Of Service (IPv4-only). -r count Record route for count hops (IPv4-only). -s count Timestamp for count hops (IPv4-only). -j host-list Loose source route along host-list (IPv4-only). -k host-list Strict source route along host-list (IPv4-only). -w timeout Timeout in milliseconds to wait for each reply. -RTrace round-trip path (IPv6-only). -S srcaddr Source address to use (IPv6-only). -4Force using IPv4. -6Force using IPv6. 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.68.69.70.71.72.73.74.75.76.77.78.79. |