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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4
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90 views

What happens in a ARM based system before the OS is loaded?

What happens in a ARM based system before the OS is loaded and do they have BIOS, drivers, MBR or a different approach instead of these?
3
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0answers
557 views

Operating system not found

I have installed original Windows 8 to my laptop. Today, when I start my laptop I am getting "Operating system not found" in black screen. What is the reason for this? Can anyone give any advice? Is ...
2
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0answers
24 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 ...
2
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0answers
152 views

Disappearing characters between youtube-dl, ffmpeg, and cmd

so what happens is that if the video title has a symbol that isn't supported by your current locale then ffmpeg won't be able to get to that file properly. Here's one example ►2 HOURS BEST MELODIC ...
2
votes
0answers
918 views

Can't Install Linux Mint

As the title says, I am having trouble installing the Linux Mint 13 Operating System in my computer and I am looking for advise on how to solve the problem. I hope you can help me. I downloaded Linux ...
2
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0answers
116 views

Operating system functions

I am currently reading From Nand to Tetris (aka The Elements of Computing Systems) - highly recommended. Anyway, in the last chapter (which deals with operating systems) it says: Some functions ...
2
votes
0answers
50 views

Multiple Users Running Multiple VMs

New to the concept of VMs and was wondering if there is any merit (performance gains, etc.) to having 1 host machine running several logged-in users at the same time, with each user running 2+ VMs. ...
1
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0answers
30 views

Extensible Linux Cluster Operating System

Assume I have a laptop(2 cores, 4G memory, 512G regular disk) running ubuntu and a desktop(4 cores, 16G memory, 512G ssd disk) with no operating system installed(i.e. a new suite of computing ...
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0answers
61 views

Why doesn't Windows 10 need a recovery image (like install.wim) to reset the system?

Windows 8/8.1 requires a standalone recovery image to reset the system. But, Microsoft claimed that Windows 10 no longer needs ...
1
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0answers
39 views

How operating system exporting window screen to projector?

I have some queries regarding how operating system exporting window screen to projector to display on some screen?. For Example: When we open power point presentation on our laptop/desktop and ...
1
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0answers
111 views

Can't install Windows 8.1 due to driver error during Windows setup

I just built my first PC, and I'm having trouble installing Windows. I wanted to install Windows 8.1, but I ended up installing Ubuntu because I could not manage to install Windows 8.1 due to an ...
1
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0answers
23 views

OS agnostic analog data input

I want to input an analog signal (for concreteness, temperature from a thermocouple) into a computer. The sampling rate should be at least several times (say, 10) per second. Moreover, I want to be ...
1
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0answers
26 views

How can cpu-intensive processes slow down a system despite having a scheduler?

I've encountered it on both Windows and Linux that if some process is doing some heavy work and the cpu is under a lot of stress, the whole system can sort of freeze, other processes get slow, etc. ...
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0answers
51 views

Ubuntu as a separate OS v/s Wubi

Due to some hardware problem, I am unable to use both my DVD drive and the bootable USB stick to install Ubuntu as a separate OS alongside Windows 7. I came across WUBI. I was wondering if there would ...
1
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0answers
131 views

Enumerating and connecting to named pipes

In windows Named pipes are available for IPC (interprocess communication) and are used both locally and remotely, Access to the remote named pipe contained in IPC$ share is done via SMB protocol,How ...
1
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0answers
68 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
1
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0answers
33 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 ...
1
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0answers
3k 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 ...
1
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0answers
140 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 ...
1
vote
0answers
67 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
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0answers
24 views

My personal laptop crashed due to change in config file

My Personal Laptop crashed yesterday with the message "windows is not booting because of previous hardware or software change", change is system config file "C:/../windows/system/config value = ...
1
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0answers
81 views

Safe to convert OS in .uif to .iso?

I'm being sent Windows 7 in a .uif format. Is it okay to convert it to .iso so it can be installed from a USB? If so, what is the best way to do that?
1
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0answers
151 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 ...
1
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0answers
96 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 ...
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0answers
243 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 ...
1
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0answers
72 views

Huge file input/output

My question is a bit general, but the application is very practical. I wonder, how does system (Linux in particular, but general mechanisms are interesting too) handles reading/writing of huge (larger ...
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0answers
156 views

Programmatically uncheck Show Unzipped Files option for Winzip

I am in need of setting the “Show Unzipped Files” under Home > Unzip options to unchecked for the Winzip 16.5 . The default installation of winzip MSI set the “Show Unzipped Files” options as checked ...
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0answers
519 views

Multiple system calls from PID 0 in Windows

Recently, one of my old PC at home lags at times. I open the Process Monitor (from sysinternals.com) and find multiple system calls from a process with PID 0, including CreateFile operation. I thought ...
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0answers
422 views

Installing Red Hat 6.4 (RHEL 6.4) cannot find installation media

I am trying to install RHEL 6.4 on a Dell PowerEdge R720. I am using a DVD and every time the Red Hat prompt comes up and asks for my language and keyboard preference. After that, an error message ...
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0answers
3k views

Windows 7 laptop suddenly very slow; cannot determine cause

I am working on a friend's laptop that became suddenly slow - to the point of not being usable. Boot time is fine, but Windows 7 takes forever to load and run. It is an HP Pavilion dv6. Here is the ...
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0answers
323 views

Using Bootcamp with Windows Recovery Disks?

My friend is a regrettable Mac owner and wants to play some Windows-only games. I recently built a new computer with 7 and kept the CD Key from my old Vista 32-bit installation. He has a 1-2 year old ...
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0answers
77 views

Time Machine backups & OS restore

My permissions were all screwed up and after every exhaustible try to change them all back my only solution was a complete restore. So I did a time machine backup onto my external and started ...
1
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0answers
146 views

What is this in my recovery partition?

From this video that I saw on creating a recovery partition, the contents of his recovery partition was a folder named WindowsImageBackup. This image is what is inside my recovery partition and this ...
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0answers
3k views

USB Drive cannot detect in Windows 7

Have you ever plugged in a USB drive or any external device with a hard drive and wondered why you cannot see it in My Computer? I often have, I believe my USB is not broke .. because if I plugin the ...
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0answers
176 views

Failed to boot macbook from Ubuntu USB

I am trying to put Ubuntu on my aging Macbook, as my optical drive is dead, I am following this guide to do so via USB. The process seems to go fine in the terminal, but when I boot I only get a ...
1
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0answers
48 views

Upgraded to OS Lion and now I get Error 51 and my VPN Client wont start up

I need help. I upgraded to OS Lion and now my VPN client wont start up and I get Error 51. I have tried all the fixes I found on the web but nothing worked. Is there a new fix for OS Lion? Thanks!
1
vote
0answers
632 views

Changing the Parallels menubar icon?

Is it possible to change the Parallels menubar icon from the red icon to a black and white version? I already know how to change the actual dock icons, but I'd like all the menubar icons to be a ...
1
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0answers
375 views

reset all apple osx 10.6 fonts

over time I have installed a bunch of fonts that are either not properly licensed or I have not documentented as to where I got them from. Is there a way to reset all of the installed fonts back to ...
0
votes
0answers
27 views

Make bootable flash drive that runs in any OS

Is there a way to make a bootable disk that runs on Mac and other operating systems? I found out that bootable drives not created in Mac will not be able to boot on a Mac. There is a special way of ...
0
votes
0answers
22 views

System Information

I have upgraded my computer from a pre-built computer from Dell, and the only part I'm still using is the CPU and the HDD. Everything else has been removed and installed with new parts. So why does my ...
0
votes
0answers
10 views

GRUB Rescue Normal Error on Debian

Recently I installed Debian for temporary usage. The install failed for whatever reason, so I went to switch over to Windows 10 which resides on the same drive. However, On boot, the GRUB Rescue ...
0
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0answers
18 views

Where to download is it that I download libc.so.6 which is what the error box says i need as well

I saw a post that was similar to my question but the person who asked about it had diffrent versions on top of other problems that dont quite relate to mine. When i try to run steam it says Steam ...
0
votes
0answers
18 views

Grub won't recognise USB stick

I am trying to boot to a USB stick using this guide. But unfortunately Grub won't recognise my usb stick when I type root ([tab], 0). Is there any way to solve this issue? I've tried copying the files ...
0
votes
0answers
19 views

What is the proper definition of an RTOS?

I have yet to find a definition of an RTOS that is specific enough to have meaning. The best one I can find is on wiki: https://en.wikipedia.org/wiki/Real-time_operating_system However I have some ...
0
votes
0answers
27 views

Single task - single computer, with direct memory access on all levels - is it possible today?

What if I turn my x86_64 Opteron 24 core (4 numa x 6 cores) computer into single-task-machine? Would it be possible to achieve next goals: Direct memory access to all memory levels. Absence of ...
0
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0answers
10 views

OS x installation with Netinstall

I'm installing OS x using Netinstall which boots the Image from OS x server on the network. The installation is successful and reaches the choose your location screen but my requirement is to have ...
0
votes
0answers
34 views

page size in an OS with segmented demand paging

Exam Question : Assume that we're using an operating system which uses segmented demand paging with N segments and the average size of each segment is S and each entry in the page table is e bytes and ...
0
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0answers
13 views

On running an OS in an external HDD (SATA-to-USB3) on a Macintosh laptop for nostalgic-gaming

TLDR; What significant performance difference would there be if I run an OS (say, Windows) in an external HDD through USB3 (a SATA-to-USB3 connection), comparing to running it natively, on a ...
0
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0answers
33 views

System tick timer interrupt priority and blocked interrupts

Assume we have an OS that is running on a CPU which is fully compatible with its requirements. This OS is tick driven. System tick interrupt arrive from external timer (periodic mode) which is ...
0
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0answers
23 views

Difference between SR OS and TiMOS

What is the difference between Alcatel-Lucent's TiMOS and SR OS? Are both router operating systems or is one of them just a different release of the other one?