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

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Safari and Firefox, High CPU usage during downloads

I have found both Safari and Firefox use a very high amount of CPU during downloads (>200% CPU usage), can anyone explain as to why this happens? It occurred both before and after a complete system ...
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51 views

Which process killed my process

One of my applications starts java.exe, but in between this 'java.exe' is killed by some other process. How can I know which process kills the java.exe. I am using Windows XP SP 2.
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276 views

Routing packets to different available networks using process' pid / uid

I need to route packets from some processes(unique pids/uids) to desired network connection. So, Suppose we have 4 processes with pids 10, 11, 12, 13 respectively; and we have two network connections ...
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67 views

jps displaying process that does not exist?

After send kill -9 to all java processes. I can still saw their information using jps sudo jps 14930 -- process information unavailable 6711 -- process information unavailable 15700 -- process ...
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36 views

Get the details of a killed process in Linux

I have seen from the logs/kernel messages that a termination signal has been sent to a process with PID say 1234. Now (few seconds after I see it), ps says that the process is no longer running, (to ...
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29 views

Can't resume editor running as root

For years, when I have been working over an SSH connection, I will run sudo vi ... to edit a config file. If I need to do something on the command-line, I'll hit Ctrl+Z to suspend the editor, do ...
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92 views

Process tree CPU history usage, process tree memory usage (aggregated) on Windows 8.1

This question is general for Windows OS, but I would like to see a software for Windows 8.1, since this is what I use. I'm looking for software, that will take a process tree (e.g. Chrome.exe ...
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75 views

How to remove startup programs which are not listed in Add or Remove Program list?

I have two startup processes, which I'm not sure what they are for. Is it normal that a PC running Windows 8 has these two processes? They look quite suspicious as their publisher is not listed at ...
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19 views

Show all running tasks in Assembly

Is it possible to show/log everything what the CPU does? The CPU knows what it executes, so it could print the running threads/tasks on the screen or in a file.
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53 views

Applications and .bat script get locked in Windows 7 for some minutes

I am playing around with Windows batch scripts and simple C++ applications on a Windows7 64Bit PC. The problem I am facing is that I cannot modify neither the batchfile nor the mingw-exe for minutes ...
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69 views

Semaphores leftovers on linux machine

While managing large Linux servers environment I see sometimes machines reaching their IPC limits, more specifically, semaphores leftovers: Linux #ipcs -u | grep -B2 sema ------ Semaphore Status ...
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46 views

client32.exe process - high cpu usage

My Win Xp computer has a process (client32.exe) that consumes a lot of cpu (between 38% to 70%). Is there a way to identify what is the cause for such high consumption? the computer is quite old and ...
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19 views

Reusing _kill completion in .bashrc fails

I'm trying to extend bash completion alias perf-connect-process="perf record -p"; alias pperf=perf-connect-process; complete -F _kill perf-connect-process; complete -F _kill pperf; by reusing the ...
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174 views

How to kill a task that is “lacking an instance”?

Spotify first killed itself but "something of it" kept lingering which was detectable as a task with PID 8664 and judging from the fact that RAM usage kept changing from time to time - it "did ...
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228 views

How to kill AMCMenu process which uses my whole ram for mac os 10.8.5 macbook pro?

whenever i kill AMCMenu through activity monitor it starts again and uses my ram. i have restarted my computer many times .please help . here the link to AMCMenu process sample : ...
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4k views

Run google chrome in a single process

Is it possible to run google chrome in a single process? I found only the one flag - --single-process but running chrome with it shows me following message: You are using an unsupported ...
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83 views

How to stop windows processes being created with the same id?

I am trying to compile a big project using Visual Studio 2010 express. This is one big project with like around 700 other sub-projects compiling. Now during the compilation some times the ...
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257 views

Multiple system calls from PID 0 in Windows

Recently, one of my old PC at home lags at times. I open the Process Monitor (from sysinternals.com) and find multiple system calls from a process with PID 0, including CreateFile operation. I thought ...
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195 views

Why does Google Chrome keep processes running when I don't allow background apps to run after I close?

Okay so here I close Chrome and it keeps a process running. I tell it to not let anything run after it's closed, but it still does. Also, a lot of the time, it messes with Microsoft Word 2010 and will ...
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50 views

Is this a bug in top?

This command line: top -l 3 -n 10 -o "vprvt" For some reason there are two processes that consistently creep up in the second sample's output regardless of their actual VPRVT size, and they do not ...
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32 views

Process is shutting down when started by script and special user

I have a situation where I want to use a script during a build process which stops a process and starts it again after updating its files as a last step. The process is started via a build system ...
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115 views

Program terminates as soon as I launch Process Monitor

I wanted to monitor all the activity of a program, to see which files are being used, etc. I used Sysinternals excellent Process Monitor, which I've used before. However, as soon as I launch Process ...
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181 views

Windows 7: programs installed to AppData won't launch

I don't know what causes it, but after a while, all programs installed to the AppData will stop launching. as far as I can see, they doesn't show up in Task Manager's processes tab at all after I open ...
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392 views

javaw.exe issue on windows 7

I have javaw.exe process in my task manager. This process takes a lot of processor memory. When I try to close this process my video driver gets closed and Windows 7 repairs it automatically. How to ...
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89 views

Catching forked subproceses

I'm running a game in wine that requires pasuspender to kill pulseaudio so the game can run on alsa. However, it looks like the script and wine itself are forking separate processes so that ...
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182 views

Windows 7 - Intermittently processes will not close when the app closes

I have a user I am supporting who has the strangest issue. There are 2 problem applications, Word 2010 and a scanning program called ScandallPro. Intermittently (and at least once a day), she will ...
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2k views

What command line options are available to svchost.exe?

It seems the only command line option used by Windows for svchost.exe is -k, followed by the group name which svchost needs to start for a given service. Yet, use of a command line option indicates ...
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159 views

Why would Activity Monitor and iotop give completely different output re: Disk Activity?

I am trying to "rebuild" via DiskWarrior an external RAID0 startup drive… and it is "semi-stuck" on step 6.. but I have read that I should let it finish.. The strange thing is.. is that Activity ...
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71 views

Determining which script started a process from the process description

I have the following process: oracle8 602592 1 0 Nov 14 - 2:54 ora_mmon_RRT How I can find the name and full path of the script that activated the process?
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292 views

How do I figure out what process is blocking access to an IP address?

One of my various installed programs is periodically blocking access to certain websites that (I think) it has falsely determined to be malicious. I'm having trouble figuring out which one is blocking ...
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3k views

DpHostW.`.exe` process doesn't respond and use 25% CPU?

Sometimes when my Dell Vostro 3300 have been in sleep mode and then wake up, the fingerprint reader doesn't work. I also notice the cooling fan runs high and the process "DpHostW.exe" that is used for ...
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127 views

lucid lynx runaway process

I am runnning lucid lynx with a gnome desktop. After uninstalling the klipper program there is a new and unwelcome process that begins at startup and takes around 66% of my cpu time. According to ...
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14 views

RUNDLL message re btwizard,dll

I've started to get this message: "RUNDLL Error loading btwizard.dll The specified module could not be found." I haven't yet pinned down what activity actually triggers the message. But I do ...
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19 views

Screen copying (preferably moving) to another server

I have a screen on a server machine and want to transfer it to another machine which has the same file system configuration (and possibly same hardware). Is it possible to transfer the screen to ...
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13 views

finding out when some file is released by the process, Windows

I was reading about of know what process (or PID) in Windows is using some file with Handle or Process Explorer. My doubt is when?, not who? I want to know when the file is released, and I can ...
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31 views

Process Manager/Hacker show already closed processes in Windows 8.1

I recently switched to Windows 8.1 64-bit Pro, and while I'm liking it so far (Minus Metro), I have a pretty serious problem... Process Explorer (And Process Hacker) show rogue processes. So far I've ...
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75 views

Svchost.exe taking up memory and slowing down laptop

I have an svchost process running on my 32bit Windows 7 Professional that keeps hogging physical memory for no reason that I can figure out. If I terminate it, it runs again and then it works as it ...
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19 views

Do threads/processes that create/delete files/directories under a shared parent dir interfere?

I was wondering: If I have a directory /a/b/c/ and under c X threads create subdirectories and files and delete them (they are temporary directories and files as intermediate steps of processing) do ...
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19 views

Why creating a process is a two-step process (fork-exec)?

I'm studying Tanenbaum's "Modern Operating Systems" book and he's explaining that: The reason for this two-step process is to allow the child to manipulate its file descriptors after the fork but ...
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7 views

Analysing processes for automatic incorrect resources usage detection

I am currently looking for algorithms, programs or ideas to implement first a script (and if it works well eventually a daemon) to analyze the normal operation and resources usage of process on a ...
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30 views

Troubleshoot Persistent Crashing of Task Blocker on Windows 7

There's a free app called Task Blocker which I've found very useful for over a year. A few days ago it quit working. Every time I launch it Windwows immediately informs me that it has quit working and ...
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38 views

How to measure CPU cores usage for a single process?

Is there a way to see which and how many cores are used by single process on Windows server 2008 R2? I have tried Windows task manager and Process explorer but without any success.
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28 views

Windows 8 OpenProcess without admin privileges

I'm using Windows 8, I'm running an app without admin rights. It's able to get handles to all processes which are running without admin rights using OpenProcess(PROCESS_ALL_ACCESS, TRUE, processID) ...
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22 views

monitoring download/upload traffic of every process running on a remote system

I'm looking for a linux tool for monitoring upload/download of each process of a remote system. I've found some like nethogs, but they don't do this remotely. As I don't trust the guest system I want ...
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43 views

Command to output its backend process

I have an application running in windows that has an option to run a command (UI base). I'm pretty sure that the UI base backend is running in a cmd but I dont know what is the exact bin file. The ...
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65 views

Process Hacker “System services”

Hoping that this isn't already asked somewhere and hoping it's not too vague. First time using anything on stackexchange. I'm a really curious person so I don't exactly need an answer to this ...
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59 views

How Windows/Linux assign PID to processes?

Q1 : I want to know how Windows/Linux assign a PID to a process when that process began? Is it a delimited random number? or it is fixed for a file on a compute? does it have a special algorithm? and ...
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82 views

disable chrome task manager? alternatively: prevent extensions from being killed

I have installed the chrome extension "Stayfocusd" which blocks websites for a certain amount of time. However, I have noticed a way to get around this. If you go to Chrome Task Manager and kill the ...
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29 views

Linux - view processes as they are being run?

I know I can use top or htop to view running processes in (near) real time, and I can use ps to print a list of all currently running processes, however what if I want to view certain processes and ...
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115 views

Can I stop ntoskrnl.exe from locking my TCP port?

I've been to use port 8092 to use some propriety software my company has made, but it seems the port is in use. Further tracking it down shows the PID of the process using the port as 4 (which as I ...