ps
**USE**--({ =print status} Display the list of currently running processes with their process IDs [PID] numbers, Use ps axu to see all processes currently running on your system {also those of other users or without a controlling terminal}, Each with the name of the owner, Use "top" to keep listing the processes currently running.),
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fg PID
**USE**--( Bring a background -or- stopped process to the foreground.),
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bg PID
**USE**--( Send the process to the background, Opposite to <fg>, The same can be accomplished with <Ctrl>z, If you have stopped jobs, you have to type exit twice in row to log out.),
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any_command
**USE**--( Run any command in the background [The symbol "&" means "run the proceeding command in the background"] ),.
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batch any_command
**USE**--( Run any command [usually one that is going to take more time] when the system load is low, I can logout,& the process will keep running. ).
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at 17:00
**USE**--( Execute a command at a specified time, You will be prompted for the command[s] to run, until you press <Ctrl>d).
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kill PID
**USE**--( Force a runing process shutdown, First determine the PID of the process to kill using ps),
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killall program_name
**USE**--( Kill program[s] by name. ),
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xkill
**USE**--( [In an X-Window terminal] Kill a GUI-based program with mouse, [Point with your mouse cursor at the window of the process you want to kill & click}.) ,
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nice program_name
**USE**--( Run program_name adjusting its **priority**, Since the priority is not specified in this example, it will be adjusted by 10 [ultimatly process will run slower], [from the default value (usually 0], The lower the number [of "niceness" to other users on the system], The higher the priority, The priority value may be in the range -20 to19, Only root may specify negative values. **Use "top" to display the priorities of the running processes**),.
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renice -1 PID
**USE**--( [as root] Change the priority of a running process to -1, Normal users can only adjust processes they own & only up from the current value [which make them run slower],
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