UNIX/コマンド/ネットワーク管理/ping


% ping [hostname]
% ping [ip_address]
[hostname] is alive
no answer from [hostname]
% ping -s [hostname]
    64 bytes from wwwsv1 (163.143.1.41): icmp_seq=0. time=1. ms
    64 bytes from wwwsv1 (163.143.1.41): icmp_seq=1. time=0. ms
    64 bytes from wwwsv1 (163.143.1.41): icmp_seq=2. time=0. ms
    64 bytes from wwwsv1 (163.143.1.41): icmp_seq=3. time=0. ms


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