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
votes
3answers
313 views

When using VirtualBox, is the host OS 100% protected from security issues in the guest OS?

More specifically, if I intentionally install all kinds of viruses and malwares on a Windows installation running inside VirtualBox on Mac OS X, can I cause any damage to Mac OS or even to the ...
1
vote
2answers
51 views

Planning to buy new laptop “XPS 15 Touch” with windows 8.1

I am planning to buy 'HP - XPS 15 Touch' model laptop, I am windows 7 users and don't know much about windows 8 and i think it is right time to move to windows 8.1, With window xp, 2000 & win 7 ...
44
votes
11answers
10k 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 ...
0
votes
2answers
199 views

Why would xbcd.com resolve to the localhost (127.0.0.1) on Linux (Ubuntu) and Android?

When 1) pinging xbcd.com I get 127.0.0.1 2) using a web browser and the URL xbcd.com leads me to the local webserver, if it exists. I've tried this on Ubuntu 14.04, multiple networks/DNS, as well ...
0
votes
1answer
38 views

Is it my motherboard or something else?

One day while working on my PC, it suddenly hung with no response. I looked at the hard disk to ensure whether it's working but it failed - there was no blinking LED. I restarted my PC, my computer ...
0
votes
1answer
111 views

Run a command in a batch file on the system clock

I have two different connection for my internet connection. The first uses from 7am to 10pm. The second uses from 10 pm to 7 am the next day. And for each of the connections I've made a batch file ...
0
votes
0answers
98 views

Operating System showing alerts on each time it is started and Virtual Machines are not starting

Yesterday my system showed that there is some internal memory error 0X00 some number in so many alert boxes,then it showed google chrome crashed.I restarted the system and then it was asking if it ...
1
vote
1answer
66 views

Is it possible to disable richtext/html copying operating system-wide in OSX or Windows?

I have never once in the history of my computing life wanted to include formatting when copying text (i.e. copying text from a web page and pasting it somewhere), but this is the default behavior ...
-4
votes
2answers
77 views

Is it possible to create a driverless OS? [closed]

Is it possible to build devices and hardware in such a way that there is no need for a driver to be written for OS? Why there is a need for a driver to operate a piece oh hardware? Couldn't they ...
1
vote
1answer
668 views

SATA(AHCI mode) - Why an OS needs a AHCI driver, while BIOS can boot from HDD?

What is the relation between AHCI and SATA? How come an OS cannot operate a SATA controller without an AHCI driver, while the BIOS knows how to boot of a SATA hard disk? What are the difference ...
0
votes
2answers
270 views

Installation of Windows with Unetbootin won't finish

Loaded an ISO with Win Server 2008 R2 onto a flash drive using Unetbootin. Booted just fine, went through most of the install process, server reboots just before "completing installation" then after ...
2
votes
2answers
61 views

How to boot from cd

I've recently bought a hp pavillion 15 n228sl, with Windows 8. I decided to install Windows 7 on it; so, to make a clean install and get rid of all those partition, I downloaded killdisk at this page ...
0
votes
1answer
52 views

ASCII text files

Given a file contains ASCII characters is there anyway to determine the operating system of origin? This needs to work regardless of the existence of newline characters
-6
votes
2answers
72 views

Extremely slow computer [closed]

I'm using Windows 7 Ultimate 64 bit. It takes forever to boot up my computer and it is full of lag. It takes about a whole minute in the loading windows 7 screen, and after logging in (entering ...
2
votes
3answers
929 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 ...
1
vote
1answer
59 views

What is the underlying windowing system used in firefox OS?

I want to know the underlying windowing system used in firefox OS something equivalent to X for linux, surfaceflinger for android. I searched the docs provided by the firefox community. But, I didn't ...
49
votes
8answers
5k views

Before Operating systems, What concept was used to make them work? [closed]

The Operating systems have been tightly related to the computer architecture.An OS takes care for all input and output in a computer system. It manages users, processes, memory management, printing, ...
2
votes
0answers
42 views

Areas of Law for Computer Enthusiasts [closed]

Sorry guys if this is in the wrong place. You guys can just tell me where the right place would be and I will post my question there. I am a current 1L in law school and we just had an early internet ...
0
votes
0answers
19 views

How to use RAM for OS Storage?

I recently heard from my friend that you can modify the RAM so that it can be used to boot the OS and it would work even faster than SSDs. I don't expect to run Windows on it but maybe some Linux ...
0
votes
1answer
52 views

Using multiple OS's on a UEFI secure boot system

I wanted to install Ubuntu on a windows 8.1 system but I don't want to use GRUB or replace my current boot loader. Can I install multiple OS's without showing a prompt to select An OS unless I press a ...
0
votes
1answer
124 views

How to Delete Mac from PC

I just got to know that it is illegal to run Mac OS X on my PC. I already have Windows 8.1 installed, and I just formatted the Mac OS X HDD Drive. When I boot my computer on it takes me to the Mac OS ...
1
vote
0answers
1k views

Booting from USB on Asus T100TA

I have read that booting other operating systems via USB is theoretically possible on the Asus Transformer book, but I have not been able to get it to work. The main issue from booting on Windows 8.1 ...
0
votes
0answers
87 views

Natural/Australian scrolling on Asus Chromebox

I am using a Logitech T630 mouse on my Asus Chromebox and would like to enable Australian scolling. Unfortunately this option is not available in the mouse settings dialog. Any suggestions on how to ...
0
votes
0answers
1k views

Lenovo B490 can not boot up to OS

I am new to this forum, please suggest me if there is need of modification of my first post. I posted it in stackoverflow but I got suggestions to move my problem here. When I open my laptop, it ...
0
votes
2answers
84 views

How to check Windows version installed on Hard Drive?

How do I check which version of Windows is installed on an old hard drive, from a Linux command line?
67
votes
12answers
17k views

Does every OS need RAM?

Is there an OS which can be used without RAM, specifically the kind I can create a bootable pendrive from and use it in the computer? This gets awkward, since booting is essentially loading OS in ...
0
votes
1answer
171 views

Cannot install Kali linux

I am trying to install kali linux. My laptop is 64bit. I am trying to use bootable usb drive. It is giving me this error saying "An installation step failed, You can run the failing item again from ...
0
votes
1answer
33 views

Executing a c operating system inside VMWorkstation [closed]

I am planning on starting development a small, simple operating system, however I am unsure about a starting point.Would running the code inside a VM without a OS in it be the best approach at ...
0
votes
1answer
38 views

Is there a way where I can restart lotus automatically when windows system is started and after crash?

I am aware that some files can be loaded when OS boots so that the launch of Lotus gets faster but is there a way I can launch Lotus completely and even in case of a crash, can i launch lotus without ...
2
votes
1answer
28 views

Dual monitors dual OS's?

Quick and painless, I have a partitioned SSD with win 7 and Linux back box on it and I just bought a second monitor. I was wondering if one monitor could display win7 and the other back box off the ...
0
votes
0answers
54 views

Laptop suddenly off without notice the battery level

My laptop is HP Probook 4540s and running on Widows 7 32bit OS. My battery may be week now. But the problem is Laptop suddenly off without notice the battery level. Not shutting down or hibernateing. ...
-1
votes
1answer
74 views

Deleting an operating system entry from bootloader menu

yesterday I installed Windows 8.1 while I had Windows 7 already installed. Now, once I boot up my laptop, it asks me whether I want Windows 8.1 or Windows 7 booted up. I want that to go away, I want ...
0
votes
0answers
11 views

Cmd-Tab will not send dialogue to background

Hi I recently did a clean install of Mavericks 10.9.4 as I was having numerous issues from upgrading. Although everything is running well I have noticed that active dialogue boxes such as a large file ...
0
votes
0answers
182 views

How to completely delete Chrome OS and replace it with linux?

as you can see in the title I have a question regarding chrombooks. I would like to format the internal storage and install Linux (manjaro hopefully) and I would prefer to not have to use crouton. The ...
0
votes
4answers
38 views

Is there a way to prevent new OSes from being installed over the current OS?

I'm trying to make it easier to recover my laptop in case of theft. I already have Prey installed to give me my laptop's location. However, anyone can easily install a new OS, rendering Prey useless. ...
-2
votes
3answers
117 views

Operation System Clone from a Motherboard to Another [closed]

Lately we had an idea with my Family of building a Super Computer from Scratch. So while we were planning on building our setup, one idea came to my head that it seems possible but i want also your ...
5
votes
2answers
206 views

32-bit to 64-bit skipping 48-bit?

Computer architecture upgraded from 16-bit to 32-bit to 64-bit. What was the logic for skipping 48-bit? What reasoning was used to upgrade to 64-bit and not some other exponent? The following tables ...
0
votes
0answers
20 views

Is it possible to download the OS from Microsoft for Windows 7 Professional 64-bit? [duplicate]

I need to replace the Operating System in an HP Elite book 6930p which has a Windows 7 Professional 64-bit Operating System. I have heard I can download a full version of this OS for free from ...
0
votes
0answers
30 views

Windows 8.0 unable to display FAT32 external hard disk in “Computer”

My Windows 8.0 is unable to display my external hard disk which has important files and works well on Mac. I know Windows uses the NTFS file system which is "more secure". I need to format it as ...
0
votes
0answers
35 views

openfirmware boot legacy BIOS payload

If I run openfirmware via floppy, is there something like a legacy boot option? While booting, the BIOS creates interrupts like int 0x13, can I use them if I start openfirmware after the BIOS? I am ...
0
votes
0answers
21 views

Copy Fedora Operating System with settings to USB?

I have a fedora machine running on my PC and I have certain software and configuration that I use often. I want to copy Fedora with all these settings and software to USB and make USB boot-able. I ...
0
votes
5answers
143 views

How large is the Win7 operating system?

I'd like to know how large Windows 7 is, but I'm not sure where to look, and haven't found any information through Google. Is it possible to know this information about an operating system?
0
votes
1answer
155 views

Why do System Restore points vary in size so much on Windows XP?

I've just been looking on my Win XP system with TreeSize Free and find that in System Volume Information I have 18 Restore Points taking up around 12.2 GB of disk space in total. I also find that the ...
0
votes
0answers
62 views

Zorin no Kernel. Hard Drive is completely wiped after installing

I installed Zorin successfully, but I wiped eveyrthing that was previously on my hard drive. So when I boot up I'm in grub. I typed "grub> boot". But its saying I need to load a kernel. I have no idea ...
0
votes
0answers
303 views

Loading freedos no kernel sys

I have tried using testdisk for many times on several external drive, however, this time I accidentally rewrite the MBR on the system drive itself that result to my computer unable to boot to its OS. ...
1
vote
2answers
78 views

The CPU visible in Resource Manager are physical cores or logical processors?

The Resource Manager that pops out from Task Manager in Windows Operating Systems shows CPU consumption on the CPU tab for each of the different CPUs. I get 4 CPUs on my tab. Are they all physical ...
2
votes
0answers
37 views

What actually happens when computer hangs [closed]

When we come to a point where computer hangs, what does actually happen inside of Windows's or Linux's kernel? Could a user space application be the cause that a whole os i frozen or could it just ...
2
votes
0answers
19 views

Why process switching does not make our computing experience discontinuous

We are all aware that CPU is switching between processes it is running, but how come we never experience any discontinuation while CPU is switching and we are using applications? I would say this is ...
0
votes
2answers
634 views

Is it possible to recover data after disk' gpt to mbr conversion?

I tried to install windows that requires mbr system to a gpt system. I converted gpt to mbr using diskpart utility. After it all my logical disks disappeared and only one (with total amount of space) ...
0
votes
1answer
639 views

Installing OS from external hard drive without formatting it

I've a 1 terabyte WD external hard drive and there are images of Linux OS on it, is there any way to boot them from this external drive without formatting all 1 terabyte space?(there are many file ...