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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0answers
30 views

Operating Systems: Mac vs. Windows vs. Linux [on hold]

I want to know everything there is to know from the ground up between Mac Linux and Windows. How Mac handles programs vs. Windows?Windows vs. Linux ? What is the difference in what happens when each ...
-1
votes
1answer
24 views

The system was running slow and reboot was useless

My system was running slow, I checked the system with top, vmstat, iostat, strace and so on, but I could not find the issue. So I reboot the system but it was useless. Then I shutdown the server, and ...
0
votes
1answer
20 views

Videocard only working in safe mode

I am writing from safe-mode, because for some reason it does work in safe-mode (windows 7) though either black screens, or bluescreens on my normal windows mode, but I am extra sure, that the hardware ...
0
votes
1answer
46 views

Windows 8: Drive partition is missing

wanted to run 2 operating systems on the same laptop so downloaded manjaro ( I have windows 8). When i opened 'Gparted' (after booting manjaro) in order to partition my disk i got the message ...
0
votes
2answers
35 views

How can I measure the amount of clock cycles each process/program is using?

I have a weak computer, and my goal is to maximize it to the most feasible, physically possible extreme to get all the performance out of it as possibe. If I know how many clock cycles a program is ...
0
votes
0answers
76 views

An operating system wasn't found. Try disconnecting any drives that don't contain an operating system

I upgraded a laptop to windows 8 and then started to factory reset windows 8 and left it over night! When i check in the morning it said that reset wasn't complete and it restarted the computer and ...
0
votes
0answers
14 views

Calculating average working set size

Say I want to calculate the average working set size (WSS) of this reference page string considering that the window size, delta = 3 : 1 2 310 (1 3)5 2 3 (2 4 1)10 5 5 1 1 1 2 2 5 (5 2)5 1 2 I ...
-1
votes
0answers
13 views

C# for OS development

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 ...
1
vote
0answers
16 views

how to check list of application running in core in windows 7

I need to know list of application (.exe) running on single core (cpu) in windows for e.g cmd.exe (application) is running on 2th core
0
votes
0answers
16 views

Graphical Performance Drastically Receded after the latest re-installation of my windows , why?

Due to virus issue and some hardware/driver issues, I re-install my Windows 7 quite often. My GPU is an AMD Mobility Radeon HD 5000 Series and it supported most of the games released up until 2014. ...
0
votes
1answer
28 views

Blue Screen STOP: 0x0000007B

I am getting blue screen like this: What i actually did is I marked my system partition as active, when restarted, I had message "BOOTMGR is missing Ctrl + Alt + Del to restart" I inserted Windows ...
0
votes
2answers
75 views

Bios not recognizing USB in EFI mode

I got a brand new Laptop with pre installed windows OS i wanted to do a clean install Okay so this is what i did i created a bootable USB of windows 8.1 Pro. Then i booted my laptop which was by ...
1
vote
1answer
40 views

Is it possible to determine what operating system an email was sent from? [closed]

Is it possible to determine what OS an email was sent from? I'm hoping it would be more probable if it is sent from an email client? I don't need specific details on the OS, just whether it is Mac, ...
0
votes
0answers
20 views

OS on Flash drive: noticeable performance penalty if used as (linux-based) htpc?

My question is whether there is any noticeable difference in performance, given my use case, for installing a (linux-based) OS on a flash drive rather than on a SSD. I plan to turn my fanless HTPC ...
0
votes
0answers
61 views

Stuck at “Loading Windows” or any other operating system

A computer I'm trying to fix gets stuck whenever I try to load an operating system from hard disk or cd-rom. Originally the system didn't send out a video signal, so I figured the motherboard was ...
2
votes
3answers
43 views

Computer not reading OS-disks

My computer is a mess and I want to reformat it (it's a win 7 installation). I have a dvd that I know has a working copy of windows (I can open the setup on another computer). However, in the computer ...
1
vote
1answer
60 views

Let me enter my password as soon as possible

My computer, a pretty powerful MSI laptop running Windows 7, takes some time to boot. And I'be okay with that, if I could go away and make some coffee or something else while it's booting, but the ...
2
votes
2answers
35 views

Is there any way to know the size of L1, L2, L3 cache and RAM in ubuntu?

Is there any way to know the size of L1, L2, L3 cache and RAM in ubuntu? Any terminal command or files I could look into?
-2
votes
1answer
17 views

how to disable Internet Explorer 10 Password Eye using windows 7 [duplicate]

The instructions for Windows 8 does not work for Windows 7. How do I remove the Password Eye from Windows 7. Thank you.
0
votes
1answer
21 views

how do I check, how many times printing command is run on my windows

I have to check for a specific time range, how many times the printing command is executed on my PC/Windows…. Is Operating system make any log of printing commands...? If yes How and where i found ...
0
votes
2answers
31 views

What happens on the OS when the user changes the date/time? [closed]

I'm just curious about a question: let's say we have a folder containing some very important files (could be the System32 directory). We know that the filesystem stores some information about their ...
1
vote
1answer
43 views

OS Installation on SSD and storage on HDD

I have an Dell 15z 5523 laptop with 32GB SSD and 500 GB HDD. I want to boot my OS from the SSD but use the HDD for storage , i.e. Programs Files, Users etc. How should I do it?
1
vote
1answer
194 views

Clone HDD to USB to SSD?

I bought a new computer (ASUS G551JM) with a hard disk drive (1TB 7200 RPM), but I want to transfer the OS (and everything else) onto my Samsung EVO 840 (500GB). However, when I purchased the SSD from ...
1
vote
0answers
13 views

Can't wake up from standby(S3)

I'm a beginner of BIOS engineer. My laptop can't wake up from standby(s3). Someone tells me it's a SSD problem and BIOS issue.(laptop using M.2 SSD (Achie)) Because it's working fine in some BIOS with ...
0
votes
2answers
111 views

How to revert a Lenovo notebook to factory settings?

Given a Lenovo notebook where the hard drive has been formated completely. How can I get it back to factory settings? Can I get the Lenovo bloatware version of Windows 8 anywhere?
0
votes
2answers
36 views

How does windows know which program has the lock on a particular file while trying to copy it?

I was just wondering about how older versions of Windows didn't tell you exactly which programs were using a particular file so that you cannot move them. But the newer versions tend to tell you that ...
0
votes
1answer
85 views

I formatted my hard drive, and I think I've killed the computer.

I know that there have been dozens of posts about booting troubles, and I've read my fair share of them, but nothing quite comes close to my specific problem. So recently a friend of mine got me ...
0
votes
1answer
105 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
vote
1answer
32 views

Is an operating system responsible to making the best use of system resources?

Suppose I have a powerful desktop PC with a high performance CPU and GPU. Does my OS decide how it should use these resources? Can there be any notable differences between different operating systems ...
0
votes
0answers
19 views

Put windows back onto a computer after replacing with ubuntu [duplicate]

I have a laptop currently running ubuntu 14.04. The laptop came with window 8 on it and I was curious about the best way to reinstall windows 8 alongside ubuntu. The laptop was a display model and ...
0
votes
0answers
25 views

Link asm bootloader with c file

first of all I'm sorry if I put this post in a wrong category, but I'm new here... Recently I tried to make own, simple "OS". Maybe it's not an appropriate word for that, because my target was just ...
0
votes
0answers
10 views

How to share configuration files and data across multiple OS?

I'm looking for input on how to share configuration files and data across different OS. Sharing data makes only sense if the data is actually platform independent (e.g. the maven cache ...
-1
votes
1answer
47 views

How does “explorer.exe” work and control the GUI? [closed]

All info states that this is the main shell of Windows 3.x versions and up of Windows OSes. My question is, how does this program have access to the entire GUI and screen/framebuffer data to draw and ...
0
votes
0answers
26 views

Windows 7 Enterprise with Service Pack 1 [duplicate]

I've just downloaded Windows 7 Enterprise evaluation from Microsoft and the ISO file says it's the 7600 version. Isn't there a Windows 7 Enterprise installation with Service Pack 1 already ...
0
votes
1answer
34 views

windows installer in different locations depending on os version

I've got to create an installer, that installs addon files into an existing programs application folder. Depending on the OS (winxp, win7, 32, 64), it could be in a variety of locations. e.g. ...
0
votes
2answers
43 views

How is it possible for me to hear the audio of multiple different videos on my computer? [closed]

I am reading this book and so far, being in chapter 3, I understand that multiprogramming and multiprocessing allows for faster execution of multiple existing processes/threads. I am reading into all ...
2
votes
1answer
39 views

Why cant operating system decide which program to use when opening files without their suffix?

For example, if we rename a .pdf file to .exe, and try to run it under windows, an error will occur. But is it possible for OS to determine which program to use to open a file based on its content? ...
2
votes
2answers
135 views

EFI System Partition for Dual Boot Windows and Linux

I just built my first computer and I want to have Windows and Linux installed. My hard drive is on the small side for a dual boot (256 GB SSD), but I plan on upgrading at a later date. Following the ...
0
votes
2answers
66 views

installing linux without any packages

I am programming a OS based on Linux but I want to "re-invent the wheel" in this OS just as an achievement. I have been told that Linux can be installed on a PC without any packages (obviously causing ...
0
votes
1answer
19 views

Is it safe to install windows from within another windows

I installed windows 8 PRO directly from within windows 8 Enterprise by mounting the iso image file and running the setup program. Now I have windows 8 up and running but now there is a folder named ...
0
votes
3answers
79 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 ...
0
votes
2answers
46 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 ...
41
votes
11answers
7k views

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

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
69 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
32 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
67 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
61 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
39 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 ...
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votes
2answers
67 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
190 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 ...