A process is a binary program running continuously on a computer (until terminated) which is managed by the operating system.

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How do I debug the “defunct” process causing it's parent to freeze?

I have program (in red hat) which freezes 1 out of 5 times during its run. Now when I see the ps -a or top while it is hung, it shows its status as “defunct.” I want to understand the reason why it’s ...
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24 views

Show all files a program has opened

I'm looking for a way to determine all the files a process has opened on Windows. This is different from many (already answered) questions on here because I need to know all files the process has ...
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3answers
300 views

How to identify terminated Windows process if I still have its PID?

Background: In the middle of my work, license agreement for installing "Microsoft Mouse and Keyboard Center" suddenly appeared. I'd like to understand what process launched the setup, but using ...
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29 views

Doubts regarding multithreading and hyperthreading [closed]

Today I was trying to understand what multithreading and hyperthreading are. However I have several doubts regarding it. In multithreading, what happens when two threads try to modify the same ...
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1answer
17 views

Upstart: What is the first tracked PID w/o expect, but with script AND exec?

I have some Upstart configs used to start some foreground and blocking processes to run in the background as some kind of "daemons", especially those processes do not fork in any case. What I want is ...
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55 views

Kill all tasks with PID above a certain integer with bash

How may I fetch and kill all processes with a PID above e.g 1000? Using commands like ps -A and top is fine for viewing the list of processes, but how would one only get the PIDs? The logic of ...
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25 views

Closing open file without killing the process

I have java(yeah java...) application running on CentOS 7. After a while, there are many "deleted" files that bother me. for deleted files used(not the issue): lsof | grep "(deleted)" I found them ...
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30 views

What is this permanent connection to Microsoft by Explorer? [duplicate]

Here is a screenshot of Windows Explorer looked deep into using process explorer. I am not sure of the why a connection is required to Explorer? My OneDrive has been disabled and nothing's happening ...
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53 views

Essential system processes that is needed for basic Internet connection Windows 8.1/ 10

1: I've been trying so hard for a while to spot the processes that are essential to have a basic Internet connection. by basic I mean third party apps like download managers or Google Chrome be able ...
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49 views

Visual Studio made a process I can't kill

Yesterday I was debugging an application. I've stopped the program, modified it then I tried to run it and got this error message: Error 1 error LNK1168: cannot open ...
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2answers
62 views

Windows - Kill All Non-Essential Running Processes

I'm trying to fight viruses on extremely badly-infected machines. These are Windows 8 machines running 10-20 processes that need to be forced to quit. Unfortunately, because the viruses auto-execute ...
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1answer
46 views

On Windows, how can I gracefully ask a running program to terminate?

On Unix or Linux, it's easy to gracefully ask a running application to terminate: you send it the SIGTERM signal. If its process ID is 1234, you can simply run kill 1234 or kill -s TERM 1234 or kill ...
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1answer
25 views

Prevent application from monitoring other processes running on same machine

Is it possible for a 3rd party application running locally on a Windows 7/8/10 to monitor other services/processes running on the same machine? If so, how would one prevent this?
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Is there a way to manually “hibernate” a process in mac?

Sometimes I have processes running on my mac that I won't be using them for some time (couple of hours). I don't want them "running" at that time, I just don't want to lose their current state. Is ...
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19 views

Why is the highest PID 66435 when there are only 277 processes running? [duplicate]

On my OS X/Darwin system, the highest PID is 66435, but there are only 277 processes running. Doesn't this indicate the system is just counting up with PIDs? And, if so, doesn't that mean the system ...
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341 views

Why do Windows 10 foreground apps mysteriously launch as background processes?

Occasionally Task Manager shows that "Store" and/or "Calculator" are mysteriously running as background processes. There's no corresponding foreground application, just the background processes. I ...
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10 views

An interrupt of a DMA(=Direct Memory Access) and a running kernel process

Can an interrupt of a DMA(=Direct Memory Access) stop a running kernel process?
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35 views

McAfee firewall blocks localhost in subprocess only

This is a programming-related question but seemed more appropriate for SuperUser than StackOverflow. I have installed McAfee (a trial version of LiveSafe -- Internet Security) on my PC. I am running ...
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2answers
36 views

read operation with two interchanging processes and context switch

P1 and P2 are both processes, different from each other. this is a read operation done on the hard disk: Given above is a diagram of a read instuction in Linux, Is it true that it's better to avoid ...
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16 views

How to kill or abort ssh and rsync reliably by parent process

I am calling rsync from my Qt application which in turn uses ssh to sync data from a remote server. The user of my application however could cancel or abort the sync process but the rsync.exe or ...
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1answer
38 views

Preventing program execution with batch file

I am running one batch file in loop continuously. While this .bat file is running it should not allow one particular executable to run. How can this be achieved? Can that particular executable be ...
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1answer
260 views

Windows 10 background processes - how are they starting?

Task Manager is telling me I have utterly useless processes running in the background, like Candy Crush Saga (which I don't play), and NVIDIA Streamer Service (I don't own an NVIDIA graphics card any ...
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1answer
19 views

How to find out what system processes an executable/app uses OS X?

I'm trying to find a way to find out what other processes an executable uses so i can block/unblock the app and those processes on my firewall. For example, Google Drive app uses Discoveryd to ...
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Is it ok to kill the sh zombie process?

sh process is zombie but i have doubts killing it in case it will affect the parent crond(31720), since it's in an enterprise server. USER PID %CPU %MEM VSZ RSS TTY STAT START TIME ...
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36 views

bash: monitoring which files are used by a process in real time

Is there any command to track what files are opened / closed / written by program with given PID in real time? I want to: run a program, enable program file operations monitoring, do some stuff in ...
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25 views

Starting a Program with Powershell Remoting

Using Windows Powershell, this opens notepad. notepad.exe But this, which is meant to remote into a virtual machine and open notepad there, does not. Instead, the process starts but the GUI is ...
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68 views

How do I find what's eating up 1.5GB of my memory?

I have a problem that something eats my memory and now my PC is slow , the task manager doesn't show the process who use that part of my memory i take captures of RAMMAP , resource monitor and ...
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679 views

Some processes high CPU usage in Windows 10

I installed Windows 10 and all the driver (BIOS included) from Dell site; luckily my laptop is Windows 10 compatible. 2 processes use a little too CPU, I'm talking about "System" and "Windows desktop ...
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1answer
27 views

Determining the purpose of a Windows process [closed]

In the course of diagnosing a problem, our attention is often drawn to a running process shown in Task Manager. This raises questions such as, "Is this process legitimate?" or, "What does this ...
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Linux - How to stop a queued command

I have two terminals open: #1 dd command copying 128GB #2 Using Kill command to monitor dd process . I was repeating the monitoring command and accidentally repeated dd command in the second ...
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48 views

Why the process in Windows 64 bit only used 2GB of RAM?

To my knowledge, every process in Windows 32 bit only up to 2GB RAM. In Windows 64 bit longer, that number is much larger (about 8TB of RAM) I write an application in C ++ that allows to use more ...
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10 views

Is it possible to see a snapshot of all the memory allocations made by a particular process in Linux?

The important data I want about these allocations is the function pointer value which did these mallocs. Otherwise I know of pmap and /proc/[pid]/maps. Both these techniques lack the function pointers ...
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1answer
25 views

Getting the amount of memory a process is using

I'm trying to retrieve just the amount of memory a process is using. The closest thing I can get is tasklist /fi "imagename eq process.exe" But this returns a bunch of stuff: Image Name ...
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289 views

Suspend process according to CPU temperature in Windows 8

Is there is a software or a way to suspend a process according to the CPU temperature? Sometimes when I render video the CPU temperature increases a lot, so I have to suspend the process in resource ...
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1answer
60 views

Get wall-clock time of a windows process with command line

Is it possible to get an uptime from a windows process which is not based on the clock settings of the system? A linux-based solution is something like: ps -eo comm,etime With some researches, I ...
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9 views

Sharing a Serial port between two process with two different configuration in linux

Is it possible to access a serial port with two process at the same time. one for reading serial data and another for writing serial data.For Reading serial data the process should be configured with ...
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1answer
78 views

Windows processes using extremely excessive amounts of RAM, PC completely unusable

I recently have had an issue with multiple Windows 7 PCs around the office. They all have the same issue. They'll be working great with no problems at all and then one day when someone comes in ...
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failover for a process that must run once on any one of multiple nodes

I am looking for a way to have single process run once on any of multiple nodes. should a node become unavailable, the process should be started on one of the other nodes. Example: Node 0: process X ...
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1answer
25 views

Service to restart (safely, then if that fails, forcefully) a few different processes on a schedule

I'm currently running a personal project that basically monitors a few things around the clock. One is a process that uses PhantomJS, and the other scans some other APIs, and sends emails if some ...
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1answer
17k views

Why are there no odd Windows process Ids?

There are many ways to look at the process IDs in Windows, in PowerShell: ps | select Id, ProcessName | Sort Id | ft -AutoSize gives me: Id ProcessName -- ----------- 0 ...
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1answer
31 views

How does Windows deal with process memory or resource exhaustion?

The other day I was working on a Windows 7 32-bit PC, with a few applications running including Firefox. Over time I kept opening new tabs in Firefox until, suddenly, the Firefox window started ...
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1answer
19 views

How to best manage the run of several processes?

My computer has 6 cores. I have to run 12 processes. Each process takes exactly 10 minutes. I want to consider (for the sake of the argument only) two scenarios: I run 2 processes successively on ...
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Purpose of Omnidaemon?

I have ubuntu 12.04 running(as prime OS) with installed Windows and RedHat in VM, there is Omnidaemon process(in Ubuntu 'system monitor') with multiple instances and it is using almost 95% of the CPU ...
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1answer
35 views

How to stop one process detecting another is running

I have an application (Utility.exe) that refuses to perform certain operations if it detects another process (Target.exe) is running. I am not certain of the detection method that it uses. It may be a ...
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1answer
19 views

How to find the real process that is generating traffic when using OpenVPN

A pretty easy thing to do so it seems but i'm struggling with it. I got some (Windows XP) clients connected via OpenVPN using bridged mode. Now suddenly I started to see higher traffic load from those ...
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1answer
41 views

Restricting a process to access another process?

Sometimes my PC freezes, when UT2004.exe is running. Everytime this happens the event log's last entry is about an error occured in dwm.exe. Because this only happens, when running UT2004.exe, I ...
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21 views

Software for easy detection and storing name of the process, that created file or folder?

Is there any program that can show me in Windows Explorer what process has created some folders or files? It would be great to see not only file name, size, modification date and etc. but also name of ...
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1answer
19 views

WMIC Process information doesn't get the status

Executing wmic PROCESS get name,status in an elevated command prompt in Windows 7 will get all running processes, but the status is empty (see screen shot). How can I get the status of currently ...
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1answer
16 views

Tracing actions carried out by a particular process in Windows 7 and above

I would like to know if there are methods to trace actions carried out by a particular process ? An example is to track an installer making edits to a Windows Registry and adjusting the Firewall ...
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How do I control process/memory visibility between processes? Fine grain control required

Situation: Windows 7 Game requires "bare metal" access for graphics acceleration. Game also has a particularly aggressive/invasive anti-cheat program/system that: Requires administrator access ...