Show active processes

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If you would like to see active processes in system you can use command ps aux.


Ps aux show only active processes in system. If you would like to see only some user processes we can use pipes.


Warning!
Command grep enable searching lines matching a pattern.


Send signal to a process

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All processes have a uniq PID (ProcessID). The smallest PID, the oldest Process.




If you would like to Send signal “end process” use command kill and number of PID. It is soft way.


If you would like to send signal “kill process” use command kill and add -9. It will kill process immediate.




Show list of tasks

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If you would like to see list of tasks use command:


If you would like to see only some user tasks use command top –u with user login.





Lists of jobs

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If you would like to list the jobs that you are running in the background and in the foreground use command jobs.


All jobs have a uniq number. It is in squere parenthesis.


If you would like to sent signal “kill job” use command kill then symbol “%” and number of job.





If you would like to run Job In foreground you can use command fg then symbol „%” and number of Job.


If you would like to run job in background you can use symbol “&” next to program name.