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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2answers
22 views

Computer claims operating system not found but the hard disk drive is fully operational

I’ve got this Dell XPS 15z laptop laying around with a broken hard driving. I swapped the hard disk drive (same format) of another laptop for an SSD. So I thought I could try to make it work again by ...
0
votes
1answer
25 views

Formatted PC wont boot from CD

I cleaned the HDD of an old PC with Hiren Boot CD to make a DIY server and it worked fine. I now have very clean hard drive. The problem is when I tried to put an iso of ubuntu server onto the machine ...
0
votes
1answer
23 views

What is “NT AUTHORITY” and “NT SERVICE”

I can find many info on what is "NT AUTHORITY" slash "something". Same for "NT SERVICE". But not for the part before the slash. I run into them from time to time in my work. I might receive ...
4
votes
1answer
26 views

Does Operating System modify BIOS in any way?

I am reading the book: How Computers Work: The Evolution of Technology and in Chapter 4 the author says: The operating system does not work alone. It depends not only on the cooperation of other ...
0
votes
1answer
16 views

Cant load any os installation on laptop

So I have downloaded Kali operating system and checked on my main computer (not laptop) if I burned it correctly to the DVD. The disk was running fine and the os installation showed up. However, when ...
0
votes
0answers
6 views

Install Windows 7, keeping pre-installed Windows 8 (dual boot)?

I have a Samsung notebook with pre-installed Windows 8: how can I install Windows 7 in dual boot? I have read there might be some problems, since Windows 8 runs on GPT partitions, and Windows 7 might ...
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) ...
0
votes
1answer
85 views

Windows 8.1 shows activated in computer property, but i encounter message saying 'windows will expire soon'

I have got my Lenovo Z50-70 about one month ago with Windows 8.1 Installed. It keeps flashing the message 'Your Windows will expire soon' But when I check activation status it shows me its ...
1
vote
2answers
3k 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 ...
1
vote
3answers
128 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?
0
votes
0answers
17 views

Edubuntu stuck on installation

I've had this problem using multiple discs on multiple drives on this one computer. I'm trying to install edubuntu 12.04 on an old desktop. It boots to the disk, I select english and then "install ...
-1
votes
0answers
33 views

how to capture a handshake file to crack in aircrack-ng? [closed]

Just now I installed Aircrack-ng in my window lappy. After opening the Aircrack-ng GUI it is showing some error like give at least one capture file to crack. Can someone help me solve this? For ...
12
votes
4answers
254 views

Which multi-user operating systems allow a user to see the current command line of other users?

I was reading the manpage of unzip, and ran into the following -P password use password to decrypt encrypted zipfile entries (if any). THIS IS INSECURE! Many multi-user operating ...
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 ...
0
votes
0answers
17 views

Why do UIDs start at 0 but PIDs start at 1 in Unix?

During a discussion of Unix operating system concepts, the question was raised, and no one really seemed to be sure. It seems against "the Unix Way" for things to be inconsistent that way, yet it ...
0
votes
0answers
19 views

How to transfer OS from failing hard disk to new external drive?

I have an old Vista Laptop whose hard disk is failing. For various reasons I must have the same exact system back again. I copied the entire OS on the C drive over to a new external drive and made it ...
2
votes
1answer
21 views

Connecting to host OS database from guest OS VirtualBox virtual machine

I’m using Pentaho BI server in a CentOS VirtualBox machine, and now I want to connect it to an SQL Server database that I am running in my Windows host OS (localhost). Is there a simple way to do ...
0
votes
0answers
6 views

how to enable pci hotplug support in ubuntu 13.04

Kindly help. I have a pci-based wifi adapter which is not getting detected when i plugged it into the laptop. OS: Ubuntu 13.04 Kernel version: 3.8.0-19-generic
0
votes
1answer
10 views

Time Machiine Volumes owned by root

I recently set up time machine to back up to two external USB drives. backups are proceeding fine, but the drives are owned by root and I can't access them via "enter time machine" or via normal ...
0
votes
1answer
5k 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
2answers
733 views

Is there and easy way to clone my windows 8 os from ssd to a larger ssd

I know similar questions have been asked but, I have windows 8 preview release installed on an SSD (OCZ agility 3 120GB) I want to just move all my stuff including OS to a larger SSD (OCZ vertex 4 ...
0
votes
3answers
288 views

Sync Firefox between OSes like you never leave it

I have two OSes: Windows and Linux, both of them install Firefox 29. I would like them to have everything synced like they are two become one. Whenever it opens, it will open exactly to when it ...
0
votes
1answer
158 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 ...
-1
votes
0answers
30 views

How can Changing an HP Chromebook 14 OS to a Windows 7 OS?

How can I take off the Chromebook OS on my HP Chromebook 14 even tho it don't have a disk drive nor can it support the files that I need for school. like the microsoft office products. and adobe ...
1
vote
3answers
5k views

Sony Vaio BIOS Setup not Working?

I have a Sony Vaio E-series (VPCEA22EA) laptop. Yesterday, while I was starting up my laptop as usual, it showed the password error saying: Password you entered is incorrect I forcefully shut it ...
28
votes
5answers
26k views

Why can't a 64 bit OS run a 16 bit application?

Why is it that a 32 bit OS which is installed on a 64 bit CPU can run old DOS 16 bit applications, but if you install a 64 bit OS it can't run those applications directly and need some sort of ...
0
votes
1answer
24 views

Prompting for sudo password in a setuid root binary

I have a setuid root binary, with_sudo.bin, with the following source code: /* with_sudo.c */ #include <stdio.h> #include <sys/types.h> #include <unistd.h> #include <stdlib.h> ...
-2
votes
0answers
25 views

Does all laptop with 3rd gen i-7 processor have sata 3 interface [duplicate]

I am going to buy an ssd . I need to check whether I will able to make full use of ssd speed.I have dell inspiron 15-r 5520 and how to transfer my windows 8 os from hdd to ssd .
1
vote
1answer
37 views

AMD processor families and models

I want to use hardware performance monitors on my AMD Opteron 6376 processor. Unfortunately, AMD has many manuals and I can't figure out which one I need from this (partial) list: ...
6
votes
1answer
104 views

How do non-realtime OSes capture audio without dropouts when sample rates are so high?

If I plug a line or USB microphone into my PC, I can record audio at 44.1kHz. That's one sample of audio about every 23 microseconds. The audio wave must be sampled and played back precisely or it ...
44
votes
11answers
9k views

What is the relationship between Unix, Linux, Ubuntu, Debian and Android?

What is the relationship between Unix, Linux, Ubuntu, and Debian? I suspect they are all Operating Systems that are based upon one another - similar to how Windows is based on DOS. Is my suspicion ...
1
vote
1answer
39 views

After formatting External Harddrive, Why do hidden OS folders $RECYCLE.BIN, System Volume Information get created

My antivirus ESET Nod 32 was flagging up a virus found in my C:/$Recycle.bin folder, after reinstalling fresh OS I decided to store some things on an external Harddrive and dumped to another PC. My ...
0
votes
1answer
27 views

Why can't I install any OS on samsung

I have laptop call it SAMSUNG OS: WINDOWS 8.1 UNILINGUE 6 BITS (6.3 VERSION 9600) Model: 300E5E/300E4E/300E5V/300E4V BIOS: P02RBE i'm trying to install any OS on it but no luck even i use usb ...
0
votes
1answer
31 views

Can't boot to the original windows 8.1

After purchasing an SSD, I decided to install Windows 8.1 on it. I originally had Windows 8.1 on my Western Digital Hard drive. But now, I cannot boot to it and there is no option to select an ...
6
votes
6answers
11k views

“This CPU is not compatible with 64-bit mode.” - Installing Windows 7 Ultimate 64-bit on a netbook with a 64-bit Intel Atom CPU

I tried installing Windows 7 Ultimate SP 1, 64-bit on a netbook (Lenovo IdeaPad S110), which has the Intel Atom N2800 (1.86 GHz) as its processor, but I get the following error message when the ...
0
votes
0answers
18 views

Not showing bootmenu

I had both Ubuntu 12.04 and windows 7 on my Hp desktop and it was working properly.Now the problem is when I tried to boot the system it is not going to the boot menu instead it continuously blinks ...
1
vote
1answer
18 views

What factors can affect a disk's seek time?

sorry for the beginner question. I am learning about how fast a disk can do its process (read/write) and move between tracks. One if the factor related to this is disk's seek time. I am curious, in ...
0
votes
1answer
36 views

windows 8 boot error

Hi I am using Sony Vaio laptop with windows 8 OS, when I power on my laptop blue screen appears and it says your PC needs to be repaired, a required device not connected or cannot be accessed Error ...
6
votes
7answers
13k views

Are we suppose to manually delete contents of /tmp?

I was under the impression that /tmp will regularly delete "old" files. Seems to me that /tmp will just grow as long as it wants to and won't delete anything. Some people say it's betetr to just leave ...
1
vote
3answers
70 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 ...
18
votes
6answers
53k views

What is the maximum number of partitions that can be made on a hard drive?

What is the maximum number of partitions we can make on hard disk in Windows? If it is limited to some particular number, why can we assign all the letters C through Z to drives? If it is a special ...
49
votes
3answers
73k views

How can I upgrade from Windows 7 to Windows 8 and keep my files and applications?

I want to upgrade from Windows 7 to Windows 8. How can I do this while keeping all of my files in-tact? Is it possible to retain all of my applications and user settings, too?
1
vote
1answer
60 views

How does sleep system call works?

An application may ask the OS to pause their process for 0.5 seconds, but how does that work? The CPU doesn't simply stop running for that 0.5 second as other programs work well simultaneously, so ...
0
votes
1answer
1k views

How can I install Windows OS to my netbook with Android OS?

I've got a netbook with Android OS and I want to install Windows XP for this. Is it possible and how can I install it? I don't find Bios (or boot Menu) (Sorry for my bad English, I'm not native ...
0
votes
2answers
68 views

Install windows 98 on my PC [closed]

I want to install windows 98 on my PC. But it says that windows 98 is supported by the system. Here are the specifications of the PC Processor - Core 2 Quad 6600 Mother Board Chip set - G 41 Ram - 4 ...
1
vote
1answer
47 views

Sublime Shortcuts at OS level

I love Sublime text as many other people do. I love its shortcuts. But whenever I'm editing text somewhere else, I keep on wanting to do Ctrl+L to select the whole line, Ctrl+Shift+Down Arrow to ...
-1
votes
2answers
655 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. ...
0
votes
3answers
61 views

Two CPUs as a Single System

I don't know whether this is a foolish question or not. I have Googled a little and posting this one. Is there a way to make two separate dual core systems to run as a single quad core system under a ...
0
votes
0answers
24 views

Windows 7 back up DVD's

I have a laptop running on windows 7 home basic. It got infected with viruses and i'd like to re-install windows 7. When i bought this laptop 4 years ago,i did not know much about computers and I made ...
0
votes
0answers
16 views

How to query if a wlan interface is in monitor mode?

I am trying to write a shell script to query whether a wireless interface is in monitor mode or not. I was thinking about querying a file in the linux(debian) by doing a cat /proc/.. file system to ...