Solutions to the problem of “there are stopped jobs” in Linux

Typing exit or logout in a Linux shell sometimes says “There are stopped Jobs” because pressing Ctrl+Z caused the program or process to suspend. It can be enabled by command typing or run in the background.

Enter the command JOBS in the shell to see a list of stopped processes
Enter the command JOBS-l to display a detailed list of stopped processes
A stopped process can be killed or activated with the following command:
Kill: Kill %1 (%1 is the process number of the job to be killed)
Activation: fg %1 (%1 is the process number of the job to be activated)
Fg represents foreground, which wakens the process of suspended

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