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landing/docs/Linux-Commands/Networking/067-the-netstat-command.md

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+# The `netstat` command
+
+The term `netstat` stands for Network Statistics. In layman’s terms, netstat command displays the current network connections, networking protocol statistics, and a variety of other interfaces.  
+  
+Check if you have `netstat` on your PC:
+
+```
+netstat –v
+```
+
+
+If you don't have `netstat` installed on your PC, you can install it with the following command:
+
+```
+sudo apt install net-tools
+```  
+
+### You can use `netstat` command for some use cases given below:
+
+- `Netstat` command with `-nr` flag shows the routing table detail on the terminal.
+
+Example:
+
+```
+netstat  -nr
+```
+
+- `Netstat` command with  `-i` flag shows statistics for the currently configured network interfaces.
+This command will display the first 10 lines of file `foo.txt` .
+  
+Example:
+
+```
+netstat  -i
+```
+
+- `Netstat` command with `-tunlp` will gives a list of networks, their current states, and their associated ports.
+
+Example:
+
+```
+netstat -tunlp
+```
+
+- You can get the list of all TCP port connection by using `-at` with  `netstat`.
+
+```
+netstat  -at
+```
+
+- You can get the list of all UDP port connection by using `-au` with  `netstat`.
+```
+netstat  -au
+```
+
+- You can get the list of all active connection by using `-l` with  `netstat`.
+
+```
+netstat  -l
+```