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This article is about how a computer uses the dos command to see which program the port is occupied by. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

The specific steps are as follows:

1. Press Win + R, open and run, and type: cmd, then press OK or enter to open the command line window.

2. Then we enter the command: netstat-ano, which can list all ports. In the list, we look at the occupied ports, such as 1224.

3. To view the PID corresponding to the occupied port, we can enter: netstat-aon | findstr "8081", then enter and record the next four digits. Here is: 9088.

4. Continue typing: tasklist | findstr "9088", press enter to see which process or program occupies port 8081. The result is: node.exe.

5. Or open the Windows task manager, select the processes tab, and check the PID column to see who the 9088 corresponding process is (if there is no PID column, we can choose to view-select the process page column, and check PID {process identifier}).

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