0) check bash running jobs by jobs
1) push bash job background by bg, push forward by fg
2) top
top - 07:56:54 up 1:22, 2 users, load average: 0.00, 0.01, 0.05 //load average of last min, 5 mins and 15 mins
Tasks: 240 total, 2 running, 238 sleeping, 0 stopped, 0 zombie
%Cpu(s): 4.3 us, 1.3 sy, 0.0 ni, 94.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 1000196 total, 926708 used, 73488 free, 70084 buffers
KiB Swap: 1046524 total, 431688 used, 614836 free. 196636 cached Mem