PID: Process identifier, the system assigns an identification code to each process, called PID.
| 1. View the process |
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1. ps auxView the details of all processes
2. ps a | grep 进程名Query the process information corresponding to the process name.
3. netstat -nlpView all processes that are connected to the network, suitable for server-side use.
4. pstreeThe process information is displayed in a tree form, which is convenient for viewing the child process and the parent process.
| 2. Close the process |
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We can close the process through the process ID pid viewed in the previous step , and execute any of the following commands to close the process:
1. kill pidClose the process.
2, kill -9 -pidforcibly close the process.
3. kill -KILL pidMore forcibly close the process.
Of course, we can also close the process through the process name command . Execute one of the following commands to close the process:
1. pkill 进程名Close the process.
2. killall 进程名Close all processes in the same process group.