List and termiant ps process from terminal and using kde desktop tool like ksysguard

1) #ps use ps to display information of active process #ps -e -e option to display all process -PID is the process id - will need it later to terminate processes #ps -f -f option to full format listing 2) #top we can also use "top" to see dynamic realtime view of processes 3) #pidof process_name pidof command find the process id by its name 4) #kill PID to kill process using its ID #kill signal PID send different terminate signals to list all signals #kill -l --for example 2) SIGINT used to gracefully kill process 9) SIGKILL 15) SIGTERM send terminate signal ; it is the default signal send by default ok now try to use signal to terminate process #kill $(pidof kcalc) will kill it without knowing PID #kill $(pidof chrome) you can use KsysGuard tool to kill processes it is a kde tool KsysGuard is so handy tool it can also show you process memory usage and many other information