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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3
votes
3answers
188 views

Can anyone explain what is virtual memory?

In my system I am getting an error like "virtual memory is full". Can anyone explain to me what "virtual memory" is and how to fix that issue?
-2
votes
1answer
403 views

what is the services.msc file in windows?

Can anyone explain Actually why windows need services.msc registry ? The programs can be loaded dynamically from system32 right ? when this registry comes into the picture ?
1
vote
3answers
3k views

What happen when we shutdown system during OS update process [duplicate]

I had an interesting question asked for which I didn’t have any clue. I have Googled around this about haven’t found any result of which help me answer this question. So here are the questions: The ...
0
votes
1answer
30 views

Boot Mgt Missing

I have a Vista OS on my Toshiba A305-S683243. I did a complete reformat of the Hard drive. The recovery disks from Toshiba and the most recently purchased one both give me the message "boot management ...
0
votes
1answer
85 views

Using an EFI partition to install an OS instead of bootable USB stick, is it possible?

I found myself with no spare DVDs and no USB stick when I wanted to install a new OS on my laptop, so I started thinking about the UEFI boot process that I recently had done some tinkering with. ...
0
votes
0answers
99 views

Windows fails to install when system has more than 4 GB of memory installed

A) My specs: Intel Core i3 MSI H55M-P31 (4 memory slots; dual channel) DDR3 1333 MHz 2 x 2 GB & 2 x 4 GB (were bought yesterday) and + 2 x 4 GB (borrowed from friend 100% working on other ...
2
votes
0answers
500 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
4answers
213 views

Dual Boot At the Same Time

Assume I have a Linux host, with Windows-7 installed in a partition on the same drive. Is it possible to boot into Linux, save its state to memory (Hibernate, essentially) then boot up Windows right ...
3
votes
2answers
2k views

How can I determine what version of Windows in the windows.old folder?

I would like to know if there are any files or directory structures that will tell me what was the previous version of Windows that created the windows.old folder.
0
votes
1answer
356 views

How to check “interrupt” information in windows? [closed]

I want to know that is there any way using which we can see the interrupt information or interrupt number or interrupt log in windows or Linux.
0
votes
1answer
159 views

Can two user level threads of same process can run simultaneously on multicore CPU?

Can two user level threads of same process can run simultaneously on multi core CPU ?
-4
votes
2answers
159 views

I need alternative OS for Windows? [closed]

I need some alternative of Windows 7,I have used ubuntu 13.04 but it depends upon command line most of the time,I used windows before and using command line was nightmare for me that's why need some ...
1
vote
2answers
486 views

Creating a custom GUI. App/DE/WM?

I am starting with this project of mine of writing a custom UI for linux. What would happen is: The computer would boot into this UI which would not be the typical taskbar/icons/startbutton kind of ...
-4
votes
2answers
86 views

Can this be a good approach to making an OS more safe against malware? [closed]

Every computer can have two hard disks, one which will store the OS and related files and will not be accessible to other code. The OS HDD will only be able to connect to a secure server for updates ...
37
votes
10answers
2k views

What does an operating system look like without a shell?

A shell like the bash or command.com (up to Windows ME) or CMD.EXE (in later versions) provides an interface that (among other things) accepts commands from the user. What does an operating system ...
4
votes
2answers
3k views

File sharing user limits

Each OS has a limit to the number of users that can access a computers shared folders at one time. XP has 10, 7 has 20. At one time I thought I saw a site where the limit for most OS's were listed. ...
0
votes
0answers
66 views

Efficient way to have several operating systems on one machine

I want to have several operating systems on one computer, but I want to do it in the most effective way. So far, I have been using VirtualBox - host os + several virtual machines. But I want every os ...
2
votes
2answers
83 views

Are there any downsides to reinstalling Windows 7? [closed]

I've had a few viruses/program installs/other things that have made me decide the best option is to reinstall my operating system after backing up all of my important stuff. Are there any downsides ...
-1
votes
2answers
199 views

Can I have a Machine with more main memory(RAM) than secondary memory(Hard Disk) [closed]

As servers requires large amount of main memory can I have a Machine with 20GB of Secondary Memory(Hard Disk) and 80GB of Main Memory(RAM). Are their any rules of mapping Main Memory and Secondary ...
0
votes
1answer
3k views

Are there any Linux distros that are specially made for laptops? [closed]

I have tried and tested Ubuntu, Linux Mint, Arch Linux and Windows. Recently I have come across Open SUSE. I was wondering what are some Linux distros that are specially designed for laptops. I am ...
-1
votes
3answers
100 views

Questions about combining partitions

Alright, so here's the situation. I'm currently dual booting windows 7 and Linux Mint 15. I'm going to be reinstalling my Linux OS soon, and I want to really organize my harddrive while I'm at it. I ...
0
votes
2answers
1k views

Installing drivers after the OS reinstallation?

First of all, does clean install of an OS delete the drivers installed on the hard disk? If so, will the new OS that is being installed contain drivers necessary for the hardware to perform properly? ...
-3
votes
2answers
628 views

I have Ubuntu .iso file downloaded in my Linux Mint - how to install Ubuntu OS? [closed]

From my Linux Mint operating system, how do I install/dual-boot this Ubuntu OS which is downloaded as a .iso file? So that it comes up as an option to boot into when I first turn on my computer. ...
-1
votes
1answer
85 views

Can I install Windows 8 and Windows xp sp2 in single pc? [duplicate]

I want to install Windows 8 and Windows xp sp2 in single PC. Is this Possible. DualOperating Systems in single pc.
0
votes
1answer
39 views

Renew the Linux, Restore to the new

I'm new to Linux. My Ubuntu 13 is now meeting problem such the CPU rate is about 100% ever time and the System Drive Disk Usage is full. I think the virus is attacking my computer. Are there any ways ...
0
votes
1answer
61 views

How do I define a new virtual machine in QEMU?

I have installed QEMU for fedora via: yum install qemu Now how do I start it ? I mean how do I define a new virtual machine, like I do in VMware? Also I don't see any icon made for QEMU.
1
vote
1answer
48 views

Is it possible for Windows not to detect input?

Say you had a decent spec'd computer (running Windows) with a dual core processor but you where pushing it to the limit a bit. Would it be possible for Windows not to detect any input at all for a ...
0
votes
2answers
653 views

Re-installing Windows 7 without original recovery disk

I need to reinstall Windows 7 but I don't have the original disk that goes with the machine I do however have a different Windows 7 disk. My question is would I be able to install Windows 7 using this ...
0
votes
2answers
163 views

how do you determine the amount of RAM that will actually be used When referring to how a OS sees RAM [duplicate]

When choosing what RAM to install on a computer and what OS to run how do you determine the amount of RAM that will actually be used and not just recognized? for example here is my machine: How did ...
1
vote
3answers
115 views

Do USB keyboards have hardware auto-repeat? (like PS/2 keyboards)

Or is auto-repeat done in software on the computer that the keyboard is connected to?
2
votes
4answers
4k 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" ...
0
votes
0answers
1k views

Installing Windows on Chromebook Pixel

I know it's not supported, but is it possible? I just don't want to spend $1300 and end up with chrome os... Chances are it is possible, since there are blog posts over how to install Ubuntu on it, so ...
1
vote
2answers
2k views

What is RPC and why is it so important?

From the beginning, I've heard that you never, ever disable the Remote Procedure Call service in Windows. This leads to horrible things that used to be hard to overturn (I believe that it's no longer ...
0
votes
1answer
1k views

Intel E7500 OS supports

I have an Intel E7500 processor on a HP Compaq 6000 Pro MT PC. Processor info in msinfo32.exe shows this: Processor Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz, 2933 Mhz, 2 Core(s), 2 Logical ...
1
vote
2answers
69 views

Hide (Encrypted) windows installation under Linux

I've got a PC running Linux (Ubuntu, in case it makes any difference). I want to install windows (Seven) to a hidden-encrypted partition on that drive. So on boot-up I have a selection screen: If ...
1
vote
1answer
37 views

Priority increase when I look into task manager

This is my observation, in Windows many times when we start any application, it won't start but process name gets added in task manager. When I click on it or try to end process, it immediately gets ...
0
votes
1answer
111 views

Is it possible to install more than one os in one pen drive?

Hello I have a one confusion question that is it possible that make bootable pendrive but not with one os but more than one os. Like.. When pendrive load.. show me the option of which one install? ...
2
votes
1answer
1k views

How to remove file permissions from an external hard drive?

My macbook recently died and I am currently trying to figure out how to copy my data. What I did was, I took out the hard drive, put it in an enclosure and plugged it in to my other laptop that runs ...
-5
votes
1answer
79 views

how to install linux on windows xp operting system? [closed]

I have a pc with Windows XP installed on it. And I made one partition free of 100 GB for installing Linux(Ubuntu) on it. I am newbie to linux. I searched Google and found some thirdware bootloaders, ...
2
votes
2answers
4k views

Windows 8 - Do I need any installation CD(s) to reset my PC?

I want to format a used computer I just picked up at a yard sale. It has Windows 8 Pro with Media Center installed on it. When I was going through the options and setting it up, I noticed a screen ...
0
votes
1answer
151 views

Which partition should i shrink the volume size to install linux ? Are there are limit of primary partition? [closed]

I am windows user. Now I want a dual boot with linux. A screen shot of my computer's disk management: Which partition do you recommend I shrink? And if I'm not mistaken, operating system must ...
-3
votes
3answers
573 views

What does it mean to install two OS's alongside each other?

I currently have Windows 7 installed on my PC. However, I just tried out Ubuntu via booting from a disc and I love it. I want to install it onto my HDD, but I don't want to get rid of Windows 7. I ...
22
votes
4answers
2k views

Can unexpected power loss harm a Linux install?

I am developing an application on a Linux embedded board (runs Debian) e.g. Raspberry Pi, Beagle Board/Bone, or olimex. The boards works on an environment that the electricity is cut unexpectedly (it ...
2
votes
2answers
67 views

When we save a file in windows - is actual location of file on hard disk random or deterministic?

I want to know when we try to save a file to harddisk how the os saves the file to hard disk. Will two computers with same configuration and ALSO SAME INTERNAL STATE save the file on the same location ...
1
vote
1answer
43 views

Can I clone 2 HDDs to a single one if they fit in size?

I have 2 o.s. (debian and windows 7) and I use both. They are stored on SSDs, so rather small in size (125GB/80GB), can I clone both of them on a single hdd (like in two different partitions) so that ...
1
vote
2answers
132 views

Where to download recovery disks for Windows [duplicate]

Where would I best go about downloading and finding Windows Recovery disks for Windows XP, Vista, 7 and 8? Do they fix most problems? What are they typically designed to do? Are they different from ...
0
votes
1answer
53 views

What's the status of disk when computer sleeps? [duplicate]

What's the status of disk when computer sleeps? Is it safe to move the computer around? And is there any difference between OS on sleeping behaviour?
0
votes
1answer
17 views

How to install OS in new Hard disk using my old CD key?

I bought Laptop with built in Window 7 Pro (with cd key) and CD Recovery, my problem is my Hard disk was crash and I need to replace it in a new one, That is why I bought a clean Hard disk, how can I ...
1
vote
0answers
259 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 ...
-1
votes
2answers
409 views

BOOTMGR is missing

While making partition on External HDD I mistakely made the HDD as Active. I forgot to remove the active mode.So while shut down there were 3 active partitions 1. C:\ , 2.Recovery 3.external HDD. ...