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
2answers
60 views

Load an remote Operating System to the local machine to work like local operating system

Could anyone of you suggest some method(idea) for loading an OS from a remote server to the local machine hard disk. Please see the scenario here, for more clarification. Imagine one guy has his own ...
0
votes
1answer
81 views

What's the best way to set up a fresh OS install?

My computer is deathly slow so I'm reinstalling Windows 7. However, I'd like to know the best way to set up the file system. Previously, I just installed it and used it. I was told by a friend that I ...
4
votes
4answers
25k views

An operating system wasn't found

When I boot my computer, it boots fine. When I restart it though, I get the following error: An operating system wasn't found. Try disconnecting any drives that don't contain an operating system. ...
-1
votes
2answers
125 views

What *exactly* happens when I insert my USB into a computer? [closed]

What exactly happens when I insert my USB into a computer?
2
votes
3answers
2k views

Is having more CPU cores a better thing for running a web server?

I was reading about how User threads are mapped to kernel threads on Wikipedia. From this article I understand that FreeBSD uses the 1:1 (Kernel-level threading). So each User thread created by the ...
1
vote
2answers
86 views

Why can't computer detect the lack of floppy drive?

I have a question that I had been wondering about ever since my first OS freeze due to an attempt to read a floppy from a drive that doesn't exist. Why do operating systems even try that? Isn't it ...
0
votes
5answers
83 views

Am I using the Linux or Ubuntu platform?

I am not sure if this question goes here, but I was wondering about the relationship between Linux and Ubuntu. I read on-line that Ubuntu is a "flavor" or "variation" of ...
0
votes
2answers
78 views

Tool to remove windows system, and other program files from old backups

I had a habit of copying everything when I backup my old computers in the past, system files and all. The whole volume. I recently purchased a new hard drive (my 4th 500 GB drive). Now all 4 of them ...
4
votes
0answers
143 views

Firefox OS (html5,js) vs Android (java) vs IOS (objective-c) In terms of pl and tech use, how can the other is faster? [closed]

How can be one faster than the others, what happens inside their code, is it a matter of the engine they are using? (noob about the gecko, linux kernel thing, educate me) One of the limitations of ...
2
votes
2answers
90 views

Which physical core does the operating system use? [closed]

The operating system needs to be running on one or more physical cores of a multi-core processor, right? Is it possible to identify which those physical cores are using a piece of code?
2
votes
1answer
672 views

Install Mac OS on Macbook Air running only Windows 7

My girlfriends Late 2010 Macbook Air, only has Windows 7 installed on it. I am now taking it over and want to get rid of Windows and only have Mac OS. Problem is all the stuff I can find online, ...
3
votes
4answers
103 views

Is Direct X available for Operating Systems other than Windows?

Is Direct X a software exclusively for Windows? If so which software does the work of Direct X in other OS?
0
votes
1answer
70 views

What is the impact of killing a process on the operating system (Windows and Linux)?

What is the impact of killing a process on the operating system (Windows and Linux)? I have a script that forks some executables and monitors their progress and kill those that exceed certain runtime ...
0
votes
1answer
320 views

Enable to install Linux Ultimate Edition (Ubuntu)

After I deleted Linux partition from Windows 7, I wanted to install a new version Linux Ultimate Edition 3.8 which is based on Ubuntu 13.04 Raring Ringtail. So I made a bootable usb, but when I boot ...
4
votes
1answer
161 views

How does windows 8 prevent BIOS access

I am trying to get a better understanding of how BIOS and operating systems work. From what I understand, BIOS is a basic piece of software that is the first thing to be run when a computer turns on ...
1
vote
4answers
150 views

Can a 32-bit system be upgraded to a 64-bit?

The question is fairly self explanatory. I have a 5-year-old computer running 32-bit Windows XP. I have an install disk for 64-bit Windows 7. Can I upgrade my operating system despite the bit ...
0
votes
1answer
2k views

SSH Issue on AIX 6.1

I recently upgraded the openssl version on AIXX 6.1 server. The install went fine. But now I'm unable to start new ssh sessions from puty to the server and I'm getting the error "Connection ...
3
votes
1answer
4k 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 ...
0
votes
1answer
78 views

Bootable hard drive to install Windows XP?

What to write onto hard drive, so that it will be bootable and it will be possible to install operating system (like Windwos XP) from it onto itself? I have old notebook with broken CD-ROM and which ...
2
votes
1answer
76 views

Uninstall Invisible OS (Windows 8 Preview) - Appears in boot

I've been using Windows 7 for three years now with no other operating systems. When the Windows 8 consumer preview came out last year, I partitioned my hard drive to dual-boot Windows 7 and 8. When ...
1
vote
2answers
137 views

Why is not feasible to uninstall an operating system the same way it is installed?

I, as someone that work with IT stuff, am asked every other time to re-install OS's, install OS's and replace OS's. But, why I can't uninstall an operating system within itself? Why they don't include ...
5
votes
3answers
700 views

Why can't computers boot instantly?

Computers have been around for quite some time. So what is stopping us from making computers boot instantly like regular home appliances and other devices? Is it even possible? I know there is ...
0
votes
2answers
111 views

Windows 8.1 installation closes after the windows symbol appears

I downloaded an .iso version of Windows 8.1 from dreamspark (so it's a legit copy). At the moment I have Vista installed on one HDD, and I want to install 8.1 on another. However when I go to boot ...
0
votes
1answer
76 views

How to make the networking between the host and the target?

I installed QNX IDE, Libraries and developemnt tool on Host system and QNX real time operating system is installed as a Target system : the target system runs the QNX Neutrino RTOS itself plus all the ...
0
votes
2answers
207 views

Understand what is happening in Linux with ps, top, and free

I'm running my java program on a 12 cores 24 thread machine. They have several processes that are running simultaneously. It seems that I performed too many processes so that the whole tasks made the ...
0
votes
2answers
327 views

Steps of changing from 32-bit OS to 64-bit and changing RAM?

My laptop is Lenovo T400, whose CPU is 64-bit and RAM is 1x2GB. When I bought it, it already had 32-bit Windows 7. Then I partition the hard drive and install 32-bit Ubuntu 12.04 alongside Windows 7. ...
1
vote
1answer
38 views

Installing Windows 8 with External DVD Drive

I have Ubuntu on my computer, and I have Windows 8 recovery DVDs. I do not have a build in DVD drive on my computer, so I bought an external one. Will the external DVD drive be able to read the ...
1
vote
1answer
67 views

Virtual Machine UEFI can't type “\”

I am trying to install SteamOS in Oracle VirtualBox. I know how to do it but in the UEFI, it won't let me type "\" it lets me type any other character but not this. Any ideas?
1
vote
0answers
128 views

Chrome OS sudo startunity app

I am running crouton unity on a Samsung chrome-book. How do i automate a shell script to start unity into a chrome OS app that I can place on the chrome shelf next to the other chrome apps? i want ...
0
votes
2answers
302 views

Does an operating system intervine after each time slice/quantum?

In the context of process scheduling, does the operating system intervene after each time slice/quantum ends? For example if the computer was idle and 4 tasks arrived : t1, t2, t3 and t4, and they got ...
3
votes
2answers
150 views

Does an operating system itself take up resources (aside from the space it is installed on)?

I just finished a course on operating systems and the definition of an operating system is still unclear to me. Does any operating system itself take up resources such as CPU and memory? For example ...
1
vote
0answers
81 views

Directory and segments in Multics operating system

In Multics OS there are different access rights in the access control list for segments (execute, read and write) and directories (status, append and modify)(book). How do segments correspond to ...
0
votes
1answer
741 views

How can i install visual studio express edition for web in windows vista?

I am using a windows vista operating system. I want to install visual studio express edition for web. But from system requirements i understood that vista doesn't support express edition? what can i ...
3
votes
1answer
76 views

What does gate mean in the Multics operating system?

I read Multics operating system. In the segment descriptor word (book) there is one part for number of gates for the segment. What does gate mean? I know the process can enter a higher-privileged ring ...
2
votes
2answers
2k views

Want to dual boot: Windows 8.1 / Ubuntu 13.10, but can't boot from flash drive and hard drive is reported as “full”

PC won't boot "bootable" flash drives. Hard drive is "full" and "140TB". ⠀Goal: Dual boot Windows 8.1 / Ubuntu 13.10, have functional hard drive Question may {contain, miss} (ir)relevant ...
0
votes
4answers
323 views

Why not create an OS that runs in ram?

this might be the wrong StackExchange site to ask this question, but I couldn't find one better. There doesn't seem to be one for questions about Operating Systems. I've been thinking recently about ...
1
vote
1answer
116 views

How a scheduler is scheduled?

A scheduler being a system program must be scheduled for execution so that it can wake up and schedule other programs. I read about process scheduling and algorithms but couldn't figure out how a ...
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, ...
0
votes
2answers
44 views

Installing OS on VIDEO hard disks

This is a dumb question since they name these in a confusing way. I am trying to build an surveillance application in Debian platform. Since HDD are categorized in Seagate site like this: Laptop ...
0
votes
2answers
120 views

Temporary operating system from floppy disk

I run Windows on my computer (which has a floppy disk drive and usb ports), and I want to try out a linux operating system. If I modify the BIOS to load from the floppy or usb first which contains ...
0
votes
1answer
72 views

What operating system is recommended for older systems? [closed]

I found an old laptop (MAXDATA ECO 4000A). What operating system should I install to make it run well? I need it for browsing the net only.
0
votes
1answer
1k views

What is SYSTAG.BIN on Windows 7?

I have a file named SYSTAG.BIN in my operating system root folder - what is it? is it safe to delete it? (couldn't find info about it on google)
0
votes
0answers
23 views

need to recover deleted partition in windows xp

by mistake i delete 2 the partitions from windows xp , from control panel--> Disk Management. I had very important data in those partitions. I need to recover both the partitions. I need help.
1
vote
1answer
96 views

How to create an operating system on top of Ubuntu 13.10

I want create an operating system the way Mac did, building a program on top of a Unix operating system. I am planning to make a small operating system with a small amount of functions using C. I do ...
2
votes
2answers
205 views

Can powering off a VM (without properly shutting down) harm the OS?

Powering down a physical PC can potentially cause issues, especially if the hard drive is being written to at the time. Can the same problem occur when I power off a VM in VirtualBox? Every time I ...
0
votes
1answer
86 views

Skip Force Shutdown

When I tell my computer to shutdown it would be nice if it just skipped over the part where it says bla bla bla app is still open. I just want it to automatically force shutdown without asking me.
1
vote
3answers
85 views

What is the actual function of windows services? [closed]

I'm doing a UK A Level IT course and i just wanted to know what the actual function of windows services are. I know they are background processes, that don't need user intervention but what do they ...
3
votes
1answer
409 views

What does an ACPI BIOS configure during boot?

When a PC boots with an ACPI BIOS, what does it exactly do? I understand that the point of ACPI is to allow the OS to control hardware resources and power management but before the OS is loaded ...
1
vote
0answers
170 views

Fax from Mac OS X 10.6 via bluetooth phone?

I have my MacBook Pro with Mac OS X 10.6.8 set up to connect via Bluetooth to my Samsung Galaxy SII phone for file sharing and it works fine. Now, I am wondering if there is a way to use my phone as ...
0
votes
2answers
422 views

Does an improper shutdown cause harm to the underlying OS or hardware?

Does sudden shut down due to power failure do any harm to the underlying OS or hardware ? My laptop's battery is dead, so sometimes due to power failure or due to some other reason there is an ...