1. Common script
Run in the current session, ctrl + c can be interrupted
./test.sh
2. Use the & symbol to execute commands in the background
Running in the background of the current session, ctrl + c cannot be interrupted, but if the current session is launched, the script will terminate
./test.sh &
3. Use nohup to execute commands in the background
Run in the background, exit the current session can not terminate the script, if you need to stop the foot to kill with the kill command
nohup ./test.sh &