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

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Find out which process is locking a file or folder in Windows

How can I find out which process is locking a file or folder in Windows? For instance, when trying to delete a folder, Windows reports this: The action can't be completed because the folder is ...
29
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10answers
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Application for monitoring all applications that are using the internet in Mac OS X

Can anyone introduce me a Mac OS X application that monitors all network activity such as what applications are now connected to the internet and how much bandwidth they use (I mean show bandwidth ...
11
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1answer
2k views

Leave bash script running on remote terminal while not logged in?

I have a bash script that takes several hours to run. While it's running, I would like to do other things, which may involve logging out or disconnecting from the internet (my script runs network ...
18
votes
4answers
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Multiple chrome.exe processes in Task Manager

I know that each new tab on Google Chrome have its own process, but I have 14 chrome.exe processes running actually as I can see it on the Task Manager, and only two tabs are opened on Google Chrome. ...
76
votes
6answers
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Why does WMI Provider Host (WmiPrvSE.exe) keep spiking my CPU?

I generally keep my laptop on 24x7, and at the end of the day it's really annoying to have my thighs burnt because over overheating. The overheating seems to be a result of WMI Provider Host (...
54
votes
11answers
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How can I trigger a notification when a job/process ends?

The place I work at has commands that take a long time to execute. Is there a command/utility that I can use to notify me when the command execution is over? It could be a popup window or maybe a ...
31
votes
6answers
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How can I log my hard drive activity by program?

I am using Windows XP and am looking for a utility that can tell me the percentage of hard drive activity a program is using. Basically, I'm looking for something like Task Manager and its ability ...
27
votes
3answers
30k views

How to change I/O priority of a process or thread in Win7?

Process Explorer is able to show the effective IO priority of a given thread, but not change it. Seeing as IO priority support is a comparatively new feature, most programs don't set their own IO ...
22
votes
3answers
11k views

Screen a running process

Sometimes I forget to run a program under a screen session and can't stop it in the middle, and I know it's going to take long. Is there a way to screen an already running process without restarting ...
19
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5answers
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“Access denied” when trying to end a process on Windows 8

I get "Access denied" when trying to end a process on Windows 8. From Kill process (windows 8) issues on Stack Overflow, I've read: The process may have a thread active in kernel mode that is not ...
34
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2answers
2k views

What does the svchost.exe process do?

On all Windows machines there seem to be a number of svchost.exe processes running. What do this processes do and why are so many running?
11
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3answers
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Cannot end Windows 7 process, even tried pskill

I am having a problem where processes are hanging and absolutely refuse to die. I have tried using the task manager and pskill from the console (with admin rights) and while the program will state ...
9
votes
3answers
12k views

How to determine what is running in DLLHOST.EXE that's missing /ProcessID switch?

I have multiple dllhost.exe processes running on my computer: Every one of these image's command line is missing (what I am thinking is) the requisite /ProcessID:{000000000-0000-0000-0000-...
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votes
5answers
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What is the 'conhost.exe' process that shows up in Task Manager?

The process conhost.exe started showing up on Windows 7, and searching Google doesn't reveal an explanation of what this process is and why it shows up. What is the conhost.exe process?
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votes
3answers
7k views

How can I dump the memory of a process in Windows 7?

Are there any tools to dump the running application from memory in Windows 7?
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1answer
350 views

How can I start a process over SSH such that it will continue to run after I disconnect?

XBMC occasionally crashes on my media server. It's a pain to bring down the media server because I have to manually restart a number of services each time. I'd like to be ablle to start XBMC from an ...
26
votes
3answers
48k views

What's the difference between an Application, Process, and Services?

How are these fundamentally different "things" on Windows? Aren't all running things Processes? It seems that every Application has an associated process that shuts it down if it is shut down. ...
35
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1answer
3k views

How to find source process of unknown popup in Windows 7

A random popup appears in Windows 7 titled as Information with a progress bar and a clock. The window sometimes says Please wait a moment..., and the progress bar moves very slowly and disappears. ...
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votes
4answers
12k views

How do I find out which program and process ID accesses a given IP address in Windows?

Is it possible to catch, which program is accessing a specific IP address? I found my computer is flooding and wish to check addresses one by one. May be it is possible to set up some audit for ...
11
votes
2answers
8k views

What is the task “java” (parent process “launchd”) doing on MacOS X?

I have a process called "java" showing up in my Activity Monitor that uses a good amount of CPU (4 - 8% average, 20 - 80% on occasion). It reports that "launchd" is its parent process. Any idea what ...
6
votes
4answers
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Route the traffic over specific interface for a process in linux

Is it possible to route the traffic used by a process over a specific interface? For example, network traffic by download application should always use the interface wlan0 whereas all other ...
28
votes
4answers
15k views

How are PID's generated?

On *nix, PIDs are unique identifiers for running processes. How are PID's generated? Is it just an integer which gets incremented or a more complex structure such as a list? How do they get recycled? ...
10
votes
4answers
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Why do Windows 10 foreground apps mysteriously launch as background processes?

Occasionally Task Manager shows that "Store", "Settings", and/or "Calculator" are mysteriously running as background processes. There's no corresponding foreground application, just the background ...
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2answers
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Linux: Is there something similar to “top” for I/O?

My disk often is utilized, but top (and htop, a custom replacement) show nothing suspicious. Is there a way to sort processes by I/O (more specific: disk) utilization? EDIT Found out using iotop ...
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2answers
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What is cmd's equivalent to Bash's & (ampersand) for running a command without waiting for it to terminate?

In bash: java -jar jarfile1.jar & java -jar jarfile2.jar & The ampersand lets you launch the first program, and then do another one while the first is still running. How do I do this in ...
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1answer
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What exactly determines if a backgrounded job is killed when the shell is exited, or killed?

This question has come up quite a lot (really a lot), but I'm finding the answers to be generally incomplete. The general question is "Why does/doesn't my job get killed when I exit/kill ssh?", and ...
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1answer
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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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votes
1answer
1k views

Can't save batch file shortly after running it on Windows 7

I'm working on a batch file in Windows 7 Ultimate. I'm using notepad++ with the runme extension. When I run the batch file and make some changes directly after that, I am not able to save the .bat ...
6
votes
2answers
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System and Interrupts causing high CPU

Under Process Explorer, I noticed that System -- and occasionally Interrupts -- are taking between 5% and 20% CPU constantly, for hours on end. This is resulting in weird video playback problems. (...
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votes
0answers
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“utorrent.exe” simply will not end [duplicate]

Possible Duplicates: Kill window or application just like linux do Cannot Kill Process in Vista 64 I had closed an instance of utorrent. The task no longer appears in Applications, however ...
47
votes
4answers
70k views

What is effect of CTRL + Z on a unix\Linux application

I was curious and confused that what exactly is the behaviour of CTRl+Z. I know, If a process in running in foreground, and we press ctrl+z, it goes to background. But what exactly happens. Does it ...
38
votes
4answers
3k views

Difference between “a=b” and “export a=b” in bash

What's the difference between: a=b and export a=b In bash? I understand that they both define environment variables, but I don't fully understand the difference.
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votes
6answers
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How to limit a process to a single CPU core?

How do you limit a single process program run in a Windows environment to run only on a single CPU on a multi-core machine? Is it the same between a windowed program and a command line program? ...
34
votes
4answers
31k views

How do I find out what processes are accessing the hard disk in a GNU/Linux-based system?

I'm looking for the equivalent to top for disk access, so I can tell which process(es) are currently reading and/or writing to disk. I'm currently using Ubuntu, but I imagine there's a standard tool ...
4
votes
2answers
15k views

Linux process to background - relogin - how to bring process back to foreground?

I start a process, put it in the background running, then log out, then log in again, and want to bring the process to front again. I've looked in "ps aux" for the PID, but it won't be put in the ...
14
votes
2answers
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Linux: command to know the processor number in which a process is loaded?

Is there any command in linux to figure out , given a process, which processor the process is running? I am interested in figuring out the CPU busy and CPU idle time of that processor.
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votes
5answers
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Why can't you have both high instructions per cycle and high clock speed?

The Megahertz Myth became a promotional tactic due to differences between the PC's INTEL 8086 processor and Apple's Rockwell 6502 processor. The 8086 ran at 4.77MHz while the 6502 ran at 1MHz. ...
19
votes
4answers
37k views

Is there any way to set the priority of a process in Mac OS X?

I have a background process running at 100% CPU on Mac OS X. All other applications are very slow because of it. I'd like to set this process to take no more than 50% so that my applications can run ...
11
votes
3answers
30k views

Find out what program runs in the java.exe process

I have a problem: always when my computer starts, there is a java.exe process listening in the port 7676. I want to find out what it is to be able to delete it. Is there any way that I can find that ...
18
votes
4answers
26k views

How to automatically restart a linux background process if it fails?

I have a process which is executed by init.d script on the background. Eg: case "$1" in start) /bin/myprocess & stop) killall myprocess restart) killall ...
66
votes
5answers
28k views

Why are there multiple Chrome instances running even though I only have one window (only one tab) open? [duplicate]

Possible Duplicate: Multiple chrome.exe in Task Manager In Windows Task Manager it seems that I have multiple Chrome processes running, even though I only have one Chrome window open. How is ...
9
votes
6answers
2k views

How to free up memory “fully hibernating” a process?

Similar to this: How to "hibernate a process" under Linux/Windows? Are there any methods to hibernate a process in a way that it doesn't stay in memory? E.g.: If I don't want to use Firefox,...
8
votes
1answer
4k views

How can I tell Windows to always start certain binaries with low priority?

I want to demote the priority of a number of processes that are auto-started on my corporate XP machine. Is there a way that I can tell WinXP to always start a binary with low priority?
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votes
8answers
31k views

How to monitor and kill a process automatically on windows by process name [closed]

Is there a program or utility to monitor the running process and automatically kill specific processes? My work laptop has a whole bunch of useless crap that I cannot uninstall. Some of these ...
3
votes
1answer
2k views

What does CPU usage for a process actually mean

Assume the computer has a single core - what exactly does it mean for process A to be running at 100% CPU capacity vs (lets say) 10% CPU capacity. If the CPU was 2.0 GHz, does that mean in a time ...
0
votes
2answers
6k views

Bash processes - reattach process started in background

Is there a way to reattach to a specific terminal a process that was started from terminal with &? For instance, I started Kate by: kate & and now I want to reattach the process to a given ...
11
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3answers
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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 ...
7
votes
2answers
10k views

System (ACPI.sys) is always using about 15-20% of my CPU

I have a 13" Sony Vaio laptop (model SVS13A1C5E) and I upgraded it to Windows 8 with a fresh install, after upgrading I installed Win8 drivers listed here. Now I have a problem with the CPU usage (it ...
3
votes
2answers
10k views

How to permanently “renice” a process on Mac OS X (or iOS, etc)?

I use a nice (free) process manager called ATMonitor for Mac OS X that has a lot of cool hidden features, one of which is being able to click on a running process and set the "renice" from +20 (less ...
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Good (preferably free), easy to use, attractive flowchart software [closed]

While there is no shortage of awesome concept mapping or mindmapping software, I'm left rather cold by the offerings of flowchart related software or apps available. I'm looking for something that ...