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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Aspire V5-531 Operating System Not Found

I recently purchased an Acer Aspire V5-531. I replaced the 320GB HDD with a 120GB Kingston SSDNow V200 and installed Linux booting with rEFInd. Due to a necessary change, I have to move back to ...
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2answers
202 views

Does the OS exploit multiple cores

I know that more cores isn't always better and that most applications are single threaded however does the OS make use of the additional cores? For example, assume an application such as a dictionary ...
2
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2answers
215 views

What is the need for BIOS ROM to be present on the address space on PC?

When an x86 PC boots, it starts executing a program called the BIOS, which is stored in non-volatile memory on the motherboard. The BIOS’s job is to prepare the hardware and then transfer control to ...
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1answer
85 views

Install high-end applications one layer above the OS

I'd like to install high-end applications such as databases, servers and IDE tools one layer above the OS. Virtual machines come to mind, but my host OS runs just fine and I don't want to waste the ...
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1answer
115 views

Operating System Development [closed]

I intend on creating a very basic operating system that does the basic stuff related to the operating system but don't want to work on low level program so was wondering if there was the possibility ...
2
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2answers
73 views

Program in place of the OS

How can I run a program in place of an OS ? I mean is it possible for me to replace the OS with a custom made program which says "Hello World" as soon as the Hardware starts ?
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2answers
4k 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 ...
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1answer
9k 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 ...
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2answers
596 views

What is the difference between Ubuntu, Xubuntu, and Lubuntu

I am relatively new to Linux operating systems and I'm trying to find out more about them. Unfortunately, I cant find a whole lot of good sources about them. Right now I get a bit confused and mixed ...
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1answer
10k 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 ...
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1answer
66 views

Create virtual port from another mac

I have 2 Macintoshes. In the first Macintosh I have put in the USB port a device (like a iPod, Arduino, other) and I would like to connect from the second Macintosh to the device on the first. The ...
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1answer
498 views

Mouse double-click min interval

This is the second mouse dying on me because of a poor switch ! Under most operating systems there is a option to set the max time interval in which two mouse clicks are processed as on double click. ...
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3answers
2k views

How to fix repair a 20GB windows directory

I found out my Windows 7 installation which is more than a year old has a bloated Windows (C:\Windows) directory (20GB). Correct me if i am wrong but i don't think this is normal. Is there a way i can ...
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0answers
24 views

Computer loses all installed programs and appears to return OS-only state

This is a story regarding 3 laptops of different brand and models. On separate occassions, I configured each of these Windows 7 / Vista computers with the necessary configuration and applications ...
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0answers
729 views

How to make recovery USB for MAC OS X with Windows?

I recently bought Mac Mini with Mac OS X. I switched it on and noticed a few recommended updates. I installed them all. And here is the problem. My Mac is switching on properly. After switching ...
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1answer
77 views

Is there an OS that allows the same name for files in the same folder?

Is there an OS that allows the same name for files in the same folder? By "same name", I mean absolutely identical, including the extension.
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2answers
231 views

What would I need to do to clone a Linux install to another machine?

Basically, I want to make an image of one Linux install I have, and distribute it over similar (if not identical) spec machines on a network. I know it is possible, however am unsure of what needs to ...
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4answers
128 views

What exactly is meant by the term “porting”?

What exactly is meant by the term "porting" and is it something that is very specific ? For example : If a piece of software is available for one OS, but not on another, a developer might "port" ...
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1answer
475 views

How do I view the OS installation date on Solaris 10?

How can I find out the system installation date on Solaris? Objective is to verify the date and time that the OS was created (OS creation timestamp).
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2answers
1k views

Platform vs operating system

I have been using the term platform and operating system to mean the same until now. For example: Windows and MAC are two platforms or operating systems. When it comes to different versions of windows ...
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1answer
194 views

how to inject a folder or file into ISO file to appear on desktop?

I have windows server 2008 32 bit with SP1 pack ISO and sp2 pack exe. Now I want to inject this exe file into ISO file to appear on desktop after fresh installation of OS. How is it possible and where ...
4
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1answer
1k views

How to port Firefox OS to ordinary computers?

The Last time I asked this question, people told me it wasn't clear and closed my question. I am new to this website (or any other questions website), so for that, I'm sorry and I will try to ask ...
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3answers
56 views

Extra file with Same Name Created Automatically while writing a program in unix

Some time while writing a program for example convert.c a file with same name followed by tiled(~) convert.c~ gets created in same directory. why is this so and whats really happening .please explain ...
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2answers
910 views

Is it possible to automatically delete a user profile while logging off?

We have a computer for public use. I want to delete the user profile every time the user logs out to make sure that no potential private information of a user is stored on the machine! Is it possible ...
2
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1answer
76 views

Unable to dock windows side to side in Windows7?

I am unable to use the docking feature on windows 7 to view two separate windows side by side.Tried updating but no updates are required and cant find much at all on this issue.
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2answers
399 views

Linux Distro - GUI similar to Windows [closed]

I am in the process of refurbing several older laptop machines for use by a couple college guys we have in training to learn basic web development in python. These are students who intern at my ...
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1answer
146 views

which OS requires minimum disk space to install? [closed]

which OS requires minimum disk space (it should have a basic desktop) ? The latest ubuntu requires 5gb https://help.ubuntu.com/12.04/installation-guide/powerpc/memory-disk-requirements.html while ...
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0answers
733 views

Fail to install any OS on laptop

I have this weird problem I never seen before. I'm trying to install windows 7 on my laptop Acer Aspire 6920 (I have two of them). One of them is in working condition (Windows 7 installed), the other ...
3
votes
1answer
69 views

Why do computers crash much less often than ten years ago? [closed]

Back then my computers had kernel panics and blue screens at least once a month. Which parts of the hardware and of the operating systems have been improved the most since then?
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2answers
267 views

How does the OS generate a random socket port?

I'm wondering how the OS makes sure that the clients don't get the same "random"(binding the socket by setting the port to 0) port as any other client in the network, since I want to communicate using ...
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1answer
66 views

'Copy' Windows from one machine to another [duplicate]

Possible Duplicate: Move Windows XP to a new PC I have a computer running a retail version of Windows XP. I want to transfer the OS to a different computer. Can I: Somehow literally ...
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0answers
134 views

Toshiba recovery disc doesn't give me all partition options

I'm trying to install Windows XP on a new machine, by way of the original Toshiba XP recovery disc. (I can use a recovery disc on not-the-original machine can't I?) When I boot up with the disc in, I ...
0
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1answer
274 views

How to move between real mode and protected mode in Windows shell?

I notice an interesting thing happens when you give the old mem.exe command to an XP command prompt: The shell switches from Protected Mode to Real Mode as you can tell from the change in directory ...
2
votes
1answer
858 views

Uninstalling Windows 8 pro and reinstalling it

I've recently installed Windows 8 Pro in the first partition and in the third partition there was Ubuntu 12.10. After the installation, I could not boot any other partition. So I decided to uninstall ...
0
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1answer
231 views

What are the major distinctions between PureDarwin and FreeBSD?

I'm looking to install a different unix on my workstation to acquire some perspective on GNU/Linux and out of curiosity. I have narrowed my options down to these two. The reason for considering ...
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6answers
985 views

How many Operating Systems allowed in a single computer [closed]

How many operating systems are allowed in a single computer. Is any extra RAM is need for each extra operating system?
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1answer
423 views

Does Windows 8 overwrite Win7 on Partition?

On my HP laptop, I have two partitions: a c-drive and a d-drive. Windows 7 was installed on the d-drive. I downloaded Windows 8 using Windows Upgrade Assistant and installed. My question is on which ...
0
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3answers
748 views

C drive should only contain OS. Myth or fact? [closed]

So, I have a 500GB HDD @7200RPM. It is split as: C: 97GB D: 179GB E: 188GB My belief is to keep OS ONLY in C:\ and any adamant programs that won't go anywhere apart from C:\ [because this speeds ...
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4answers
2k views

Windows 8 PC added to trusted list but still thinks it's untrusted

I just upgraded both my PCs to Windows 8 x64 and I went through the process to add my PCs to the trusted list on Windows Live. Both computers appear on the list in my account settings online, but ...
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0answers
37 views

How is the performance of Windows 8 operating system on a laptop or desktop? [closed]

Have you used the latest Windows 8 OS? What are the performance issues or is it ok to have it installed on a PC?
46
votes
11answers
2k 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 ...
6
votes
2answers
10k 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?
3
votes
1answer
160 views

Problems with uninstallation of windows 8

I installed windows 8's developer preview version dual boot with win 7 ultimate. I put my win 8's partition to 11 GB (almost), but now when I try to uninstall the win 8 it dont allow me to uninstall ...
6
votes
2answers
16k 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 ...
2
votes
3answers
109 views

Desktop Computer Starts, BIOS runs, Shuts Down

I have an "older" Dell (2010 model), when I start the computer up, it loads the BIOS, shows grub, but when I try to boot into Ubuntu, Recovery or Memtest it dies. I should also note that the grub ...
2
votes
1answer
69 views

Is there a software with which I can freeze the state of my computer? [closed]

Is there a software with which I can freeze the state of my computer? For example, virus can't delete anything, even I can't delete files, just add them! So every time the computer starts it loads ...
4
votes
1answer
529 views

How does SSH tunneling work at low level?

I am interested in the exact mechanism that occurs when an SSH tunnel is stablished. Supposing we have 3 computers: LOCAL host, INTERMEDIATE host, and REMOTE host, with this topology: Localhost --- ...
0
votes
1answer
563 views

How to enter in window vista home? Product key error

I have problem with my OS (Windows Vista Premium 32 bit). If I enter Vista, its asking for a product key but I don't know my product key. Please note, I have dual OS in my desktop.
6
votes
2answers
2k views

Installing Windows 8 pro on a built PC

I'm planning on building my own PC with the help of a friend, and after reading through this article, it seems that I need to purchase a System Builder licence. Does this mean that I should not buy ...
0
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1answer
243 views

BASH - Run command for each line in output of previous command

All, I am want to request all network services using: networksetup -listallnetworkservices I then want to run the below command for each line in produced from the above command: networksetup ...