Modify

kill [PID]	Sends a termination signal to a process (SIGTERM by default).
kill -9 [PID]	Sends a forceful termination signal (SIGKILL).
kill -15 [PID]	Sends the graceful termination signal (SIGTERM) to a process.
killall [process_name]	Terminates all processes with a matching name.
pkill [process_name]	Terminates processes based on their name.
bg [job_number]	Moves a suspended job to the background.
fg [job_number]	Brings a background job to the foreground.
ctrl+z	Suspends the current foreground process in the terminal.
nice <priority> [command]	Runs a command with a lower priority.
renice [PID] [new_priority]	Changes priority of a running process.
nohup command &	Runs a command immune to hangups, with output to a non-tty.
disown %jobnumber	Removes a job from the shell's job table, making it immune to signals from the shell.
disown [PID]	Removes a process from the shell's job table, preventing it from receiving SIGHUP signals.