Hi everyone,

Hi i want to kill a process when timeout where 2 processes are running parallel or simultaneous in a same user witout effecting the another process,i have used the command
ps -ef |grep user
kill -9
but its killing another process suppose if i try to kill with processname sub processes in that process converting as daemon process and its not killing sub processes when killing parent process.

any help will be appriciate

I would try first with a soft kill. Note: PID is the process ID of the program.
kill PID

If that didn't worked, try the one below
kill -9 PID

The one below kills a process by the name of the running program rather than the PID.
pkill program


Not sure I understand your meaning above, but try the code below. But before you run it, read what it does first.

pkill -P $( pgrep program_name )

This will kill a program's parent PID ( i.e the main program ) and it's child processes ( i.e other programs started by the main program ).

Replace program_name in bold with the name of the program or script you want to kill.

Remember, only the user who owns the process can kill the process. A user cannot kill another user's process. Only root can do that.