These commands are running in the background:foo@contoso ~ $ sleep 30 &foo@contoso ~ $ sleep 60 &foo@contoso ~ $ sleep 90 &What is the minus and plus sign after running jobs process?foo@contoso ~ $ jobs[1]   Running                 sleep 30 &[2]-  Running                 sleep 60 &[3]+  Running                 sleep 90 &
Minus and Plus Sign in jobs Process
process;job control