The layer between your hardware and software. It manages disk input/output, memory allocation, graphic acceleration, hosting device drivers and various other resources.

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-1
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0answers
14 views

Android apps which can be safely removed from device [on hold]

I am developing an android based kiosk in which I intend to run only my app in the foreground.As part of its functionality the app will sync data at EOD to the app server.I want to consume as less as ...
-2
votes
0answers
19 views

Move System Drive to Another Drive

I bought a pre-built tower a few months ago and installed Windows 8.1 on it's built-in hdd. I installed many applications and games on it. Now I just noticed that my system is really slow, specially ...
1
vote
1answer
5k views

Redirecting or routing all traffic to OpenVPN on a Mac OS X client

I have configured an OpenVPN (2.2.1) server on an Ubuntu virtual machine in the Amazon elastic compute cloud. The server is up and running. I have installed OpenVPN (2.2.1) on a Mac OS X (10.8.2) ...
8
votes
4answers
2k views

What happens when you install > 4GB of RAM in a computer with a 32-Bit OS?

So I'm a programmer and I'm not a complete idiot so I know exactly why you can't access memory where you can't have pointers. But I've never tried this and I don't think I ever will because it seems ...
-1
votes
1answer
21 views

Win7 installation in win8.1 installed system(Lenovo ideapad z510) [on hold]

I have a Lenovo Ideapad z510 with Win8.1 OS (came with laptop) installed currently. I want to install Win7 as a parallel OS in C drive without removing Win8.1 Make sure my laptop has 8GB of Solid ...
1
vote
1answer
31 views

Is it possible to determine what operating system an email was sent from? [on hold]

Is it possible to determine what OS an email was sent from? I'm hoping it would be more probable if it is sent from an email client? I don't need specific details on the OS, just whether it is Mac, ...
2
votes
3answers
41 views

Computer not reading OS-disks

My computer is a mess and I want to reformat it (it's a win 7 installation). I have a dvd that I know has a working copy of windows (I can open the setup on another computer). However, in the computer ...
0
votes
0answers
13 views

OS on Flash drive: noticeable performance penalty if used as (linux-based) htpc?

My question is whether there is any noticeable difference in performance, given my use case, for installing a (linux-based) OS on a flash drive rather than on a SSD. I plan to turn my fanless HTPC ...
10
votes
4answers
5k views

How does USB device recognition work?

I'm curious how USB device recognition works in Windows. I imagine it's something like this: When you plug in a device, it tells Windows "here's my device ID to tell you what I am" Windows looks to ...
2
votes
5answers
2k views

Lightweight OS for very old laptop?

Just got a very old (~10 years) used Toshiba Satellite. I was wondering (since I really do not like Windows ME) if anyone knew a VERY lightweight OS's I could get? Free if possible. The system has: ...
9
votes
5answers
9k views

How to safely delete stuff from %SystemDrive%\Windows\Installer? [duplicate]

Possible Duplicate: Is it safe to delete from C:\Windows\Installer? Not Duplicate: The link mentioned above talks about Windows XP. I am talking about Windows 7. The behavior of the ...
0
votes
0answers
45 views

Stuck at “Loading Windows” or any other operating system

A computer I'm trying to fix gets stuck whenever I try to load an operating system from hard disk or cd-rom. Originally the system didn't send out a video signal, so I figured the motherboard was ...
1
vote
3answers
201 views

Does specification mean interface?

I was wondering Generally, does specification mean interface, regardless the implementation beneath the interface? Specifically Only systems fully compliant with and certified according to ...
0
votes
1answer
53 views

Let me enter my password as soon as possible

My computer, a pretty powerful MSI laptop running Windows 7, takes some time to boot. And I'be okay with that, if I could go away and make some coffee or something else while it's booting, but the ...
0
votes
1answer
78 views

I formatted my hard drive, and I think I've killed the computer.

I know that there have been dozens of posts about booting troubles, and I've read my fair share of them, but nothing quite comes close to my specific problem. So recently a friend of mine got me ...
2
votes
2answers
26 views

Is there any way to know the size of L1, L2, L3 cache and RAM in ubuntu?

Is there any way to know the size of L1, L2, L3 cache and RAM in ubuntu? Any terminal command or files I could look into?
4
votes
4answers
14k views

An operating system wasn't found

When I boot my computer, it boots fine. When I restart it though, I get the following error: An operating system wasn't found. Try disconnecting any drives that don't contain an operating system. ...
-2
votes
1answer
15 views

how to disable Internet Explorer 10 Password Eye using windows 7 [duplicate]

The instructions for Windows 8 does not work for Windows 7. How do I remove the Password Eye from Windows 7. Thank you.
0
votes
2answers
30 views

What happens on the OS when the user changes the date/time? [closed]

I'm just curious about a question: let's say we have a folder containing some very important files (could be the System32 directory). We know that the filesystem stores some information about their ...
9
votes
3answers
31k views

Should I install my operating system on my SSD or HDD?

I'm currently deciding whether to install my Operating System on my SSD (solid state drive) or HD (hard drive). Will I be having programs on the HDD and the OS on the SSD or vice verca? Which will ...
1
vote
1answer
32 views

OS Installation on SSD and storage on HDD

I have an Dell 15z 5523 laptop with 32GB SSD and 500 GB HDD. I want to boot my OS from the SSD but use the HDD for storage , i.e. Programs Files, Users etc. How should I do it?
10
votes
2answers
547 views

Running Homemade Operating System

Starting out with an operating system you wrote, how could you run it and test it on a computer? Would you have to delete the current operating system that is being used, or could you run one ...
0
votes
0answers
10 views

How can I call my own system call in a exit() system call [migrated]

I've written new system call that can terminate all the children of a given process, and I want to use this system call when user calls the "exit()" system call. In fact, The "exit" system call will ...
2
votes
2answers
4k views

Change the system partition in Windows XP

I attached two hard disks (Disk 1 and Disk 2) to an old computer system while installing Windows XP. Disk 1 is IDE and Disk 2 is SATA. I wanted to install Windows XP on Disk 1. Disk 2 was meant for ...
1
vote
1answer
96 views

Clone HDD to USB to SSD?

I bought a new computer (ASUS G551JM) with a hard disk drive (1TB 7200 RPM), but I want to transfer the OS (and everything else) onto my Samsung EVO 840 (500GB). However, when I purchased the SSD from ...
2
votes
3answers
256 views

Where are all the important files and folders in Ubuntu?

I searched on Google but i couldn't find a good page listing all the important system files and folders in Ubuntu. Does anyone know a good source?
0
votes
1answer
4k views

window 7 cannot stop looping for failure configuring windows updates reverting changes

Anyone have this kind of problem before? I shut down my computer and I restart it. I can just see my screen show me about this line" failure configuring windows updates revert changes." After that, ...
1
vote
1answer
2k views

what is the maximum size of temporary folder in Operating Systems?

Is there any limitation in temporary folder size in Operating systems like XP, 2003, 2008, Vista and Windows 7?
5
votes
2answers
2k views

If “top” indicates CPU is spending 10% on %wa (iowait), does that mean the CPU is idle?

I am referring to the Linux top command. If it indicates 10.4% was spent on wa, does that mean 10.4% CPU was available for other processes? top - 09:40:45 up 178 days, 34 min, 1 user, load ...
1
vote
0answers
12 views

Can't wake up from standby(S3)

I'm a beginner of BIOS engineer. My laptop can't wake up from standby(s3). Someone tells me it's a SSD problem and BIOS issue.(laptop using M.2 SSD (Achie)) Because it's working fine in some BIOS with ...
0
votes
2answers
51 views

How to revert a Lenovo notebook to factory settings?

Given a Lenovo notebook where the hard drive has been formated completely. How can I get it back to factory settings? Can I get the Lenovo bloatware version of Windows 8 anywhere?
8
votes
2answers
1k views

What does the term “OS rot” refer to?

I'm asking because I just saw a question about the "Best way to avoid OS Rot in Windows 7" and had never heard of the term "OS Rot" before. It's semi-comprehensible from context in that question, ...
0
votes
2answers
27 views

How does windows know which program has the lock on a particular file while trying to copy it?

I was just wondering about how older versions of Windows didn't tell you exactly which programs were using a particular file so that you cannot move them. But the newer versions tend to tell you that ...
-1
votes
1answer
65 views

Windows 8.1 Factory Reset w/ Upgraded SSD and OS on that new SSD [closed]

Why I am doing this: I download the wrong graphics card driver update and now my graphics card has gone haywire. After trying several things with NVIDIA, including installing the right driver, and ...
3
votes
3answers
10k views
1
vote
1answer
29 views

Is an operating system responsible to making the best use of system resources?

Suppose I have a powerful desktop PC with a high performance CPU and GPU. Does my OS decide how it should use these resources? Can there be any notable differences between different operating systems ...
2
votes
0answers
496 views

Operating system not found

I have installed original Windows 8 to my laptop. Today, when I start my laptop I am getting "Operating system not found" in black screen. What is the reason for this? Can anyone give any advice? Is ...
0
votes
0answers
19 views

Put windows back onto a computer after replacing with ubuntu [duplicate]

I have a laptop currently running ubuntu 14.04. The laptop came with window 8 on it and I was curious about the best way to reinstall windows 8 alongside ubuntu. The laptop was a display model and ...
4
votes
3answers
2k views

is it possible to set hidden attribute on file/folder for windows from linux?

I want to hide 1 folder in my pen drive for Windows but from Ubuntu, is it possible if yes then how?
0
votes
0answers
9 views

How to share configuration files and data across multiple OS?

I'm looking for input on how to share configuration files and data across different OS. Sharing data makes only sense if the data is actually platform independent (e.g. the maven cache ...
0
votes
0answers
21 views

Link asm bootloader with c file

first of all I'm sorry if I put this post in a wrong category, but I'm new here... Recently I tried to make own, simple "OS". Maybe it's not an appropriate word for that, because my target was just ...
1
vote
1answer
12k views

grub rescue prompt after reinstall windows on dual boot

I was dual booting windows and Ubuntu. When I reinstalled windows, it would no longer get to the grub menu. Its showing: error: no such partition. grub rescue> I want to fix this without using ...
3
votes
4answers
517 views

Does a software like VMware run in user space or kernel space?

Vmware is a user installed software. So it should run in user space given by the underlying OS. Yet its runs OS-es which are fully operational and need to run in kernel mode. So where does it run?
-1
votes
1answer
40 views

How does “explorer.exe” work and control the GUI? [closed]

All info states that this is the main shell of Windows 3.x versions and up of Windows OSes. My question is, how does this program have access to the entire GUI and screen/framebuffer data to draw and ...
0
votes
0answers
20 views

restart copying a large file interrupted before (OS Support)

[Just a Thought] Today while copying a large file from my computer to the external hard disk, it got interrupted and copying stopped. Afterwards when I tried copying again, the process of copying ...
2
votes
4answers
3k views

Linux OS micro-SD image file - what do I do with this?

I am trying to install Ubuntu on the Odroid U2 SoC (http://www.hardkernel.com/renewal_2011/products/prdt_info.php) From this site I downloaded the "Micro-SD image file" ...
1
vote
1answer
54 views

Swapping laptops while keeping current systems (kernel)

I am going to be getting a new laptop from HP soon, due to a faulty part, and they are giving my an upgrade. Almost all of the specifications will be changing, but I'm not keen on reinstalling my ...
3
votes
4answers
5k views

Redirect stdout while a process is running — What is that process sending to /dev/null

I've run a command and redirected it's output via > /dev/null Now that it's been running significantly longer than I expected I want to see what it's doing. Is there a way to re-redirect the ...
0
votes
0answers
26 views

Windows 7 Enterprise with Service Pack 1 [duplicate]

I've just downloaded Windows 7 Enterprise evaluation from Microsoft and the ISO file says it's the 7600 version. Isn't there a Windows 7 Enterprise installation with Service Pack 1 already ...
0
votes
1answer
32 views

windows installer in different locations depending on os version

I've got to create an installer, that installs addon files into an existing programs application folder. Depending on the OS (winxp, win7, 32, 64), it could be in a variety of locations. e.g. ...