check the status of the supervisor whether it's running or not.
service supervisor status
Use this Command for stopping Supervisor.
service supervisor stop
The jobs command displays the list of jobs that you’ve started in the current terminal session — either running in the background or stopped (suspended).
jobs [options]
The join command merges lines from two text files based on a common field (like a database join).
It’s useful for combining data from multiple sources.
join [options] file1 file2