The difference between background process and daemon process in Linux

The difference between the background process and the daemon process in Linux is:

1. The daemon process has completely separated from the terminal console, while the background program has not completely separated from the terminal ( The results will still be output to the terminal before the terminal is closed);

2. The daemon process will not be affected when closing the terminal console, and the background program will stop when the user exits. You need to restart it with Nohup command & format can be run to avoid the impact;

3. The session group of the daemon process, the current directory, and the file descriptor are all independent. Running in the background is just a fork of the terminal to allow the program to execute in the background. These have not changed.

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