PING -kun

pingThe command
It is a tool that you run from an external host.
Host name or IPAddress
 Please enter the.

pingDescription of Kimi

This pingHow to use the tool

This tool from the external host pingIt is the tool you want to run. The target host always OR IPPlease set to host that owns their own always address.
It's easy to use. The host or the target IPEnter the address, pingI just press the Run button. Execution limit on the number of times of the day at this time 11Times are.
However, this tool is the actual PINGIt is the specification only return a result of response. You can with this tool only acknowledgment of the server because it is.
pingPossibility that people who do not know are watching this page is low, but Briefly Although it is the command that runs when you run this tool,
ping Target host
It becomes.

pingIn the example to Yahoo! as the description of the PINGI'll try to hit the

ping -c 1 -W 1 'yahoo.co.jp'
PING yahoo.co.jp (182.22.59.229) 56(84) bytes of data.
64 bytes from f1.top.vip.ssk.yahoo.co.jp (182.22.59.229): icmp_req=1 ttl=52 time=9.40 ms
--- yahoo.co.jp ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 9.403/9.403/9.403/0.000 ms
I want an explanation towards the above example.

This is the first command.
ping -c 1 -W 1 'yahoo.co.jp'
I have specified in the option -c The In continuous PINGThe number of times to the issue. -W Are at the specified is the number of seconds before timeout. 1Since is specified 1Times are. 'yahoo.co.jp'It is the host name.

Let's look on the results. Noteworthy 0% packet loss,It is a part of. 0%If packets have passed through all, I will be that the server that is responding completely. 100%If so become, There is a possibility that something is wrong with the server packet does not pass through.