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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0
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1answer
536 views

Linux Mint VM in VirtualBox freezes with DISKFULL error

Disk partitioning guide for Linux Mint Debian This guides shows me how to partition my HD for Linux Mint. I'm trying to install Mint as a guest client on Windows 7 hosted VirtualBox. I used to let it ...
0
votes
1answer
491 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 ...
-1
votes
1answer
114 views

How to set up Windows on VM using Powershell (Hyper-V)

I know how to create a VM and I know how to start that VM on Hyper-V using the script of Powershell but it's the first use of the VM so I need to set up Windows and I don't know how using the ...
-1
votes
1answer
101 views

Windows cannot be installed to this disk. The selected disk is of the GPT partition style?

I am trying to install Windows 10 in my laptop. I am not allowed to install on any of drive. It keep through error of "Windows cannot be installed to this disk. The selected disk is of the GPT ...
24
votes
2answers
34k views

Use physical harddisk in Virtual Box

Using Virtual Box, how can I install an OS to a secondary, physical disk, and boot it in both (at separate times) Virtual Box, and as a typical secondary OS install?
68
votes
8answers
17k views

Why is “Everything is a file” unique to the Unix operating systems?

I often hear people say "Unix's unique philosophy is that it treats everything as a file" or "In Unix, everything is a file". But I've never heard anyone explain why it is unique to Unix. So, why is ...
38
votes
5answers
36k views

Overriding HOMEDRIVE and HOMEPATH as a Windows 7 user

My employer has an Active Directory group policy which sets my Windows 7 laptop HOMEDRIVE to "M:" (a mapped network drive) and my HOMEPATH to "\". Since I have read-only permissions for the root of ...
38
votes
2answers
3k views

What is there in an Operating System other than the kernel

As I understand it, the kernel does all the interaction with the hardware, and manages the memory, the I/O devices, etc. So the kernel is doing everything, yet it is just a part of the operating ...
38
votes
4answers
4k views

Linux is to mount as Windows is to _______?

So Linux "mounts" a hard drive to perform some operation such as reading/writing. Does Windows "mount" in the same way? Is it called something different in the context of Microsoft?
60
votes
13answers
8k views

Is Unix not a PC operating system? [closed]

I am doing my bachelor's degree at a university. In a written assignment, the professor posted the task: "Name three PC operating systems". Well, I went on an included a variety of OSes (Linux, ...
26
votes
1answer
43k views

cat /proc/meminfo what do all those numbers mean

In reading the man page on the free command in Linux. I found that is gets its info from /proc/meminfo. I understand a few of the entries, like MemTotal and MemFree. What do the rest mean. cat /...
10
votes
3answers
42k views

Is it the address bus size or the data bus size that determines “8-bit , 16-bit ,32-bit ,64-bit ” systems?

My simple understanding is as follows. Memory (RAM) is composed of bits, groups of 8 which form bytes, each of which can be addressed ,and hence byte addressable memory. Address Bus stores the ...
12
votes
3answers
4k views

How can I distinguish current operating system in my .vimrc?

I use Vim on both OS X and Windows, with almost identical configuration. I would like to be able to use the same .vimrc on the two operating systems, but there are a couple of things I need to ...
12
votes
2answers
3k views

How to stop and detect the fork bomb

#include <stdlib.h> #include <unistd.h> int main() { while(1) fork(); } This is the code for a fork bomb. In our college, we connect via telnet i.e client serving protocol. ...
6
votes
3answers
8k views

What do the terms “asynchronous” and “synchronous” mean, with respect to the definition of an interrupt?

Quoted from http://en.wikipedia.org/wiki/Interrupt: an interrupt is an asynchronous signal indicating the need for attention or a synchronous event in software indicating the need for a change ...
2
votes
3answers
4k views

Install OS over network [closed]

Recently I read some articles, in this article told install OS over network. How can do this? So I had three doubt. My question is Is it possible to install OS from server to all system? if it ...
8
votes
3answers
8k views

Difference between shutdown ( power off ) and restart ( reboot )

What is Difference between shutdown (power off) and restart (reboot) ? What type of signals passing at time of reboot and poweroff, to where ? What is difference between these two signals ? At ...
6
votes
4answers
2k views

What determines endianness

I was wondering if endianness only depends on CPU? Does it depends on other hardware, such as memory, secondary storage device? Does it depends on OS? Why in Wikipedia, does it seem to be true?
6
votes
1answer
7k views

Who loads the BIOS in RAM during computer bootstrap

When the computer starts up, the code in BIOS is executed first. However, how is the code in BIOS loaded into the RAM for execution ? I have referred to this question - Is BIOS read from the BIOS ...
7
votes
4answers
4k views

Do operating systems run faster on smaller hard disk partitions?

If I partition my hard disk, is my computer going to perform faster/better? In other words, the smaller the active partition is (the partition with the operating system), the faster the operating ...
5
votes
6answers
324 views

Linux/Unix in Windows

What would be the best way to get the full-blown Unix/Linux bash inside Windows? I don't mean the Virtual Machine, but rather only the terminal with mounted NTFS drives. This way I could use the ...
5
votes
1answer
18k views

how to fix empty turn windows features on or off

I am running win 7 home premium, and now I see my windows and features list is always empty, i tried many solutions but nothing did it. I tried this last thing but failed to solve as well
4
votes
3answers
1k views

Minimal OS for running virtual machines

Is there a minimalistic operating system built purely for the purpose of running virtual machines (preferrably open source / otherwise free)? If not, let's say I decided to do something like Linux ...
4
votes
2answers
43k views

Booting from USB with UEFI bios to install Windows 8.1

I have a Lenovo 11e Yoga laptop. I have installed a new, blank SSD in the system and now I want to reinstall Windows 8.1 (which is what the laptop came with). I created a bootable USB stick using ...
4
votes
1answer
9k views

How to reduce Windows 8 system size?

Windows 8 consumer preview version is released. Anybody try out to reduce Windows 8 size? I have verified the method for Windows 7 is cannot workable on Windows 8.
3
votes
2answers
2k views

Structure of Chromium OS

I have used Chromium OS built distributed by hexxeh (weird hobby of mine). On Friday I gave a presentation (classroom activity, not some big seminar) in college on "Changing trends in Operating System ...
1
vote
3answers
1k views

How does a driver actually communicate with an hardware device? [closed]

I already know what a driver is and in the answers of this old question What is a driver, and how does it work? you can find some simple and high level definitions of what a driver is. My question is ...
12
votes
6answers
3k views

Does opening a lot of tabs in Google chrome cause a performance issue?

I have heard that each tab in a Google chrome is a separate process. So if any tab crashed it won't be affected to the whole browser. So if you open so many tabs there will be as many processes in the ...
6
votes
4answers
1k views

What is technically wrong with fast OS switching?

An application (fast switcher) stays resident before the OS starts, and will be activated using a key combination (for example: Ctrl + Alt + Shift + Esc). After detecting the key combination, the ...
5
votes
3answers
1k views

Difference between programs compiled for different OS

On a compiled code standpoint what is the difference between a program compiled for one os vs another (Linux vs windows for instance). Doesn't the program run directly on the cpu? Or is it because the ...
5
votes
4answers
5k views

How do multi-core CPUs work?

I know, vague question title, but my main question is, does 1 core have to execute only one program at a time? Does the "multitasking" at the CPU level work by switching between tasks, and if so, why? ...
4
votes
2answers
1k views

unable to install windows 7 in my laptop with no os

I have a the following message when i try to install windows 7 through an bootable USB.. setup was unable to create a new system partition or locate an existing system partition I will explain ...
3
votes
7answers
768 views

Why do I have less memory with 32 bit OS [duplicate]

Possible Duplicate: Will Windows 7 32 bit edition support 8 GB RAM? I have a brand new machine at work, i7 quad core with 8GB of ram. Mainly, I use it to develop JAVA applications using ...
2
votes
3answers
33k 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 ...
2
votes
2answers
9k views

Reinstalling the iPhone OS

After using my iPhone for over a year, I now have 7 pages of applications and the phone has started to become old and slow. Coming from the windows-world, I suspect that a clean install will help a ...
2
votes
3answers
23k views

Windows Kernel Name\Version?

Mac OS X has the Darwin 10.6.0 Kernel, and Ubuntu has the Linux 2.6 Kernel, so in Windows what is it called?
0
votes
2answers
929 views

Install windows from FLASH USB. Software

Please direct me to software which can create bootable USB with winxp on it. Yesterday I tried to create such on WIN7 and failed, I guess because of win7 admin rights. Moreover I created such usb on ...
46
votes
11answers
3k views

Was Windows 95 an Operating System? [closed]

This question maybe a bit historical, but we didn't have Superuser at the time. Around 2000 when I was starting my Computer science degree, a subject was Operating systems. The teacher asked us to ...
8
votes
6answers
2k views

Is file system part of operating system?

I was wondering if a file system on a storage device is part of OS? I don't think it is. Instead it is part of the storage device, and exists outside of any OS although was created by an OS. Is my ...
6
votes
2answers
24k views

Is it possible to buy Windows 8 online as a digital download?

Is it possible to buy windows 8 online as a digital download? (the full install non-upgrade version) Similar to the way windows 8 upgrade can be bought as a digital download from windows.microsoft....
4
votes
1answer
319 views

Can I run my win7 on another machine with different motherboard?

I want to have my system with me in another city. I know that it strongly depends of my chipset. I have P35 (Gigabyte P35DS3R). Another machine also Intel-based but chipset is G31 (MSI G31TM-P35). Is ...
3
votes
3answers
277 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?
3
votes
1answer
133 views

Is it possible to install vmware on system not inside OS?

I am searching if it is possible to load vmware on system startup and choose which os to launch. like Windows, linux, debian etc.
3
votes
1answer
226 views

Windows Upgrade vs Full Install

I'm in the process of purchasing a Netbook for use while traveling. The included OS is XP, however, I would like to upgrade(?) to Windows 7. My question: Does a Windows Upgrade have the same ...
3
votes
1answer
181 views

USB does not boot when trying to install Linux on my Asus EeeBook X205TA

I already made this question on the AskUbuntu (link) community, but had no good answers/help. So, here I am. I am trying to install Lubuntu on my Asus EeeBook X205TA that came with Windows 10 Home (...
3
votes
1answer
413 views

Using an OEM Windows XP license in a Virtual Machine

I just bought a Dell 640m laptop with Windows Developer Preview installed. There is no directory with any backups. The COA on the machine is for XP. I would like to install XP as a VM on the same ...
2
votes
6answers
1k views

Confused between 32 bit OS and 64 bit OS

I have 32 bit Windows Xp on my machine now i want to install Windows 7 64 bit. Can i install it? My machine is 3-4 years old. Does the bits of OS has anything to do with hardware? Or it's just a ...
2
votes
1answer
5k views

Installing Multiple OS on external hard drive

I have only 200Gb of hard disk space on my laptop. But I want to be able to boot multiple OS on it. With the use of an external hard drive. I prefer to install: Ubuntu 10.04 Linux Mint Windows XP ...
2
votes
6answers
485 views

Virtualization of existing installation

My question is: Is it possible to open in Virtualization solution (Virtual-Box, or any other) an installed OS (not the host one of course? Example: I have Windows Vista in one partition, and I have ...
2
votes
1answer
758 views

Transfer of ownership of Windows 7 [duplicate]

Possible Duplicate: When reinstalling Windows 7, does the language, version, architecture (64-bit or 32-bit) or source (OEM, retail, or MSDN) matter? I am thinking of purchasing a copy of ...