Ctrl+Z to run cmd on background in Linux system

Control+Z  is really a nice function in linux system. It helps to suspend and dose good management of the running cmds in a terminal.
Here is a good explanation of the usage of Control+Z
A simple summary:
Control+Z  to suspend the cmds in the terminal. You must use "bg" to re-run the suspend/stoped cmds.
F+G (fg) to bring the output of the cmds back.
B+G (bg) to run the cmds in the background
jobs: to checks all the running jobs in a terminal, if you have several jobs running there, then they will be listed with a job number
kill (-9) %1: to kill the running  jobs of number 1. If it can not be killed, use kill -9 %1.

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