$ jobs  Running sleep 500 & (wd: ~) - Running sleep 600 & (wd: ~) + Running ./Fritzing &
First field shows the job ids. The + and - sign that follows the job id for two jobs denote the default job and next candidate default job when the current default job ends respectively. The default job is used when the
bg commands are used without any argument.
Second field gives the status of the job. Third field is the command used to start the process.
The last field (wd: ~) says that the sleep commands were started from the working directory ~ (Home).