Ps what is ppid

Join Date: Sep Join Date: Jun Hi I think the following thread addresses similar issue. Administrator Emeritus. Join Date: Aug For a list of pid's that are not owned by root but have a ppid of 1, I would go with: Code :. This works great. Find parent process not process ID. I have google for few days, all of them are Shell Programming and Scripting. I have two scripts lets say A. I am executing B.

My problem is that when B. Hi everyone i am very new to linux , working on bash shell. I am trying to solve the given problem 1. Create a process and then create children using fork 2. Check the Status of the application for successful running. Kill all the process threads except parent and first child The processor utilization for scheduling.

This field is not displayed when the -c option is used. The scheduling class to which the process belongs: real-time, system, or timesharing. This field is included only with the -c option. The process's nice number, which contributes to its scheduling priority.

Making a process "nicer" means lowering its priority. The terminal from which the process or its parent was started. A question mark indicates there is no controlling terminal. To list all the processes being executed on a system, use the ps command.

The following example shows output from ps -ef. This shows that the first process executed when the system boots is sched the swapper followed by the init process, pageout , and so on. Displaying Information About Processes This section describes commands used to manage process information. Show Posts. Registered User. Join Date: Jul It is found that most of the ppid is lower than pid of the same process by 1 when perform ps -ef but notice that some process's ppid is 1.

You can also have this when you kill the parent and it still had some child process out there running. Like if you killed cron and it had jobs running, those running processes would have a 1 on them. Join Date: Mar Originally Posted by darkrainbow. It is found that most of the ppid is lower than pid of the same process by 1 when perform ps -ef. OS is Solaris 5. Does that mean they are all spawned off the same startup script?

I then First I obtained a pid and then a ppid. I am currently trying to go up the chain using PS PPID differs in script and prompt. I tried several times to get answer to the below problem.