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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19 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
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1answer
342 views

Reclaiming an old school Chromebook

In the middle school I go to, we use chromebooks. They are "managed", so we cannot change or do anything to the laptop we are not allowed to do. One of my friends recently left the school. Since he ...
2
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5answers
2k views

Do I need more RAM for programming if I switch to a 64 Bit OS?

Given that today (for performance reasons?) variables are usually aligned to the "bit-width" (I wanted to use "word-width" here, but on x86 a "word" is still 16 bits right?) of the processor, would ...
2
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3answers
13k views

Windows Kernel Name\Version?

Mac OS X has the Darwin 10.6.0 Kernel, and Ubuntu has the Linux 2.6 Kernel, so in Windows what is it called?
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0answers
91 views

How to calculator virtual pages, length of each entry in the page table and size of the page table? [closed]

A system uses 32-bit addresses and the main memory is 4MB. Each page is 1K. What is the number of virtual pages? What is the length of each entry in the page table? What is the size of the page ...
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0answers
33 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 ...
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votes
4answers
16k 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. ...
0
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0answers
11 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 ...
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1answer
2k views

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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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 ...
6
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7answers
11k 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 ...
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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
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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. ...
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2answers
56 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 ...
0
votes
1answer
26 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 ...
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
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1answer
4k 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, ...
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3answers
948 views

Interfaces for interation between OS and hardware/software?

Are the following correct: The interface for interaction between OS and hardware devices is device drivers; The interface for interaction between OS and software applications is application binary ...
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2answers
17k 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?
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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 ...
11
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1answer
16k 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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0answers
23 views

Move System Drive to Another Drive

I bought a pre-built tower a few months ago and installed Windows 8.1 on it's built-in hdd. I installed many applications and games on it. Now I just noticed that my system is really slow, specially ...
1
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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) ...
8
votes
4answers
2k views

What happens when you install > 4GB of RAM in a computer with a 32-Bit OS?

So I'm a programmer and I'm not a complete idiot so I know exactly why you can't access memory where you can't have pointers. But I've never tried this and I don't think I ever will because it seems ...
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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, ...
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 ...
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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 ...
10
votes
4answers
5k views

How does USB device recognition work?

I'm curious how USB device recognition works in Windows. I imagine it's something like this: When you plug in a device, it tells Windows "here's my device ID to tell you what I am" Windows looks to ...
2
votes
5answers
2k views

Lightweight OS for very old laptop?

Just got a very old (~10 years) used Toshiba Satellite. I was wondering (since I really do not like Windows ME) if anyone knew a VERY lightweight OS's I could get? Free if possible. The system has: ...
9
votes
5answers
9k views

How to safely delete stuff from %SystemDrive%\Windows\Installer? [duplicate]

Possible Duplicate: Is it safe to delete from C:\Windows\Installer? Not Duplicate: The link mentioned above talks about Windows XP. I am talking about Windows 7. The behavior of the ...
0
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0answers
56 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 ...
1
vote
3answers
201 views

Does specification mean interface?

I was wondering Generally, does specification mean interface, regardless the implementation beneath the interface? Specifically Only systems fully compliant with and certified according to ...
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 ...
0
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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 ...
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?
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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
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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 ...
9
votes
3answers
32k views

Should I install my operating system on my SSD or HDD?

I'm currently deciding whether to install my Operating System on my SSD (solid state drive) or HD (hard drive). Will I be having programs on the HDD and the OS on the SSD or vice verca? Which will ...
1
vote
1answer
41 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?
10
votes
2answers
550 views

Running Homemade Operating System

Starting out with an operating system you wrote, how could you run it and test it on a computer? Would you have to delete the current operating system that is being used, or could you run one ...
1
vote
1answer
160 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 ...
2
votes
3answers
261 views

Where are all the important files and folders in Ubuntu?

I searched on Google but i couldn't find a good page listing all the important system files and folders in Ubuntu. Does anyone know a good source?
1
vote
1answer
2k views

what is the maximum size of temporary folder in Operating Systems?

Is there any limitation in temporary folder size in Operating systems like XP, 2003, 2008, Vista and Windows 7?
5
votes
2answers
2k views

If “top” indicates CPU is spending 10% on %wa (iowait), does that mean the CPU is idle?

I am referring to the Linux top command. If it indicates 10.4% was spent on wa, does that mean 10.4% CPU was available for other processes? top - 09:40:45 up 178 days, 34 min, 1 user, load ...
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
82 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?
8
votes
2answers
1k views

What does the term “OS rot” refer to?

I'm asking because I just saw a question about the "Best way to avoid OS Rot in Windows 7" and had never heard of the term "OS Rot" before. It's semi-comprehensible from context in that question, ...
0
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2answers
35 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
94 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 ...
3
votes
3answers
10k views