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ping:tldr:666e0
The command ping -c ${count} ${host}
is used to check the connectivity between your computer and a specified host (which can be an IP address or a domain name).
Here's a breakdown of the command's components:
-
ping
: It is a command-line utility on most operating systems that sends network packets ("echo requests") to a specific host and waits for a response ("echo reply"). It's commonly used to measure the round-trip time (RTT) and to check if a host is reachable. -
-c ${count}
: This option specifies the number of ping packets or echo requests to be sent. The${count}
is a placeholder for the actual number you provide. For example, if you replace${count}
with5
, the command will send 5 echo requests and wait for 5 echo replies. -
${host}
: This represents the target host you want to ping. It can be either an IP address (e.g.,192.168.1.1
) or a domain name (e.g.,www.example.com
). Replace${host}
with the actual IP address or domain name you wish to ping.
By executing this command in a terminal or command prompt, you can determine if the specified host is reachable and see information about the round-trip time and any packet loss that may occur during the process.