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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1
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2answers
79 views

Does a USB drive have head, track etc?

I wrote a bootloader and I need it to be written to a USB drive. Since I am on Windows, my bootloader must support file systems such as FAT32 and FAT16 etc. I have used BPB (BIOS Parameter Block) for ...
0
votes
0answers
20 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 ...
1
vote
0answers
42 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 ...
0
votes
0answers
54 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
votes
0answers
43 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?
0
votes
2answers
55 views

How do Multiboot Operating Systems work

I read that the computer loads an OS by searching every attached device's first 512 KB. If that memory space acts as a boot sector , it starts to load the memory space after it. According to this ...
-3
votes
2answers
79 views

Why must programs be uninstalled? [duplicate]

In regards to removing a program from a computer, I want to know why a program must be uninstalled versus deleting the program's files. I bet I can answer my own question by stating that programs must ...
0
votes
0answers
17 views

Dail up Connection for Endless OS

I have a endlessm OS www.endlessm.com I want to connect it to internet but via Dial up connection I am not able to find any thing on internet is it possible or not I just want how to create a Dial ...
13
votes
5answers
3k views

Why can't we use/set function keys as password keys?

In any operating system the passwords with Fn were not allowed. For instance, I can't keep Fn + some character as password. What's the reason behind it? Any technical aspect which prevents the ...
1
vote
0answers
105 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 it.http://blogs.windows.com/windowsexperience/2015/03/16/how-windows-10-...
1
vote
1answer
48 views

What does the content of the page table look like after a page has been swapped out to the disk?

From what I understand, the page table maps virtual addresses to physical addresses. But what if a page has been swapped out to the disk? Wouldn't the location of the data take more bits to write ...
2
votes
3answers
235 views

Why is the amount of RAM usable by a computer limited by the processor bits?

I was recently thinking about how 32-bit processors can only support up to 4 GBs of memory, and I couldn't understand why the amount of bits a processor has limits its memory. I understand, as other ...
-3
votes
1answer
100 views

How i can make my own DOS(Disk Operating System) distribution? [closed]

So, i am making a batch file OS project in Windows, and i want to make it run under DOS. I want to make my own custom distribution of DOS that i can use as a shell of my project. I tried to find a ...
0
votes
0answers
40 views

Raspbian in qemu ssh not working

I recently downloaded qemu to emulate raspbian.It works but I wanted to show to a friend with ssh but when I write ifconfig and press enter they give me an ip address that not working when I try to ...
0
votes
0answers
29 views

disc queue frozen during installation of freebsd to hyperV on windows 10 Pro

When doing a vanilla install from the FreeBSD-10.2-RELEASE-amd64-dvd1 disc image, whether using IDE or SCSI in Hyper-V on Windows 10 pro, I get lots of IO timeouts during installation: but it seems ...
0
votes
0answers
43 views

Where to find docs about multiboot2 cmd in grub2?

GNU docs almost nothing about multiboot2 command (although I could find linux, boot commands in the 14.3 The list of command-line and menu entry commands section), and enter link description here ...
0
votes
1answer
40 views

I have installed Linux on my Windows 8.1 laptop. Can I upgrade to Windows 10? [duplicate]

My laptop is running on Windows 8.1 and a year before I installed Ubuntu Linux. If I try to upgrade to Windows 10, there will be a problem or not, because of Liniux?
0
votes
2answers
125 views

The instruction at X referenced memory at Y. The memory could not be written

TFG (Total Files Gaurd) is a software that used in offices to protect client's data from thief by malware and users. It encrypt some types of files(Network's Admin selects which type he/she want to be ...
0
votes
2answers
54 views

how do operating systems differentiate files? [closed]

I'm new in programming and computers. So here is my question: When I double click for example .exe or .jpg file how does operating system know how to behave with that file? I mean, is the file ...
0
votes
1answer
28 views

Can MacOS be run on a PC? [duplicate]

In order to fully clarify my question, here's what I intend. I have a notebook running Windows 10 on an Intel Core 2 Duo and 3 GB of RAM. I intend to run MacOS (the apple operating system) on this ...
0
votes
0answers
43 views

Lightweight OS for Acer 5532

I have this old laptop with the following specification: Processor: 1.6GHz AMD Athlon 64 TF-20 Ram : 3GB DDR2 SDRAM 800MHz Storage : 160GB at 5,400rpm Graphics : ATI Mobility Radeon HD 3200 ...
-1
votes
1answer
77 views

How does one find out if a computer can run either a 32 or 64-bit OS, without an OS being installed on it? [duplicate]

See title. I am trying to figure out if it's possible for someone to find the proper information without an OS being on the machine in question. Usually there are a number of programs you could use ...
0
votes
1answer
44 views

100% cpu usage on both linux and windows

On both windows 8.1 and my kubuntu linux I get 100% cpu usage on first cpu core (core0). In windows 8.1 it shows that acpi.sys is what causing the 100% cpu usage. But the problem is on linux too. ...
0
votes
1answer
149 views

One boot menu for two OS on two separate hard drives

So here's the hypothetical situation. I have two Solid State Drives, both 250gb. I'm wanting to install windows 7/10 on one of these drives, as well as Linux Fedora Workstation on the other. Ideally, ...
0
votes
0answers
30 views

Different sized data blocks in a single file system

In Unix, each file uses one inode and each inode, in turn, may use a variety of number of blocks to store data. The size of the blocks in a file system may be configured or chosen but it must be ...
-1
votes
1answer
115 views

How to set up Windows on VM using Powershell (Hyper-V)

I know how to create a VM and I know how to start that VM on Hyper-V using the script of Powershell but it's the first use of the VM so I need to set up Windows and I don't know how using the ...
0
votes
1answer
36 views

Reinstalling windows from usb

I have a bootable usb and i want to reinstall windows on my PC. But I have a strange problem, this is my boot menu when usb isn't connected: And this is boot menu when usb is connected (only one): ...
-1
votes
2answers
692 views

Is it possible to reinstall the OS on my Android device (and should I)? [closed]

My Android device is a few years old, and like any computer it's slowed down over the years. It takes forever to boot up, the interface lags, and launching apps takes forever. When the same thing ...
1
vote
2answers
35 views

What should I do to ensure that multiple OSs installed on a computer work together? [closed]

If I have multiple OSs installed on a single computer (e.g. Windows 10, Mac OS X El Capitan, and Arch Linux), what can I do to make these OSs work together better? Is it possible to synchronize ...
0
votes
2answers
71 views

how to remove WINDOW OS from another drive?

Here I have two OS in my laptop one Window 10 in C: drive and second is Window 7 in F: drive. When I start my laptop it ask select one OS. So how to remove Window 7 in my laptop without format my F:...
1
vote
0answers
58 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 ...
-2
votes
1answer
122 views

Bypass Windows GUI completely [closed]

Say I want to create a computer for end-users that uses Windows but the average user should generally not have to think about the fact that it is a Windows PC (except for minimum notifications ...
0
votes
0answers
91 views

Mac doesn't recognize USB

Details about the Mac: MacBook Pro 13" Processor 2.5 GHZ Memory 8GB 1600 MHZ Since I upgraded my Mac version to Mac OS X 10.10 (Yosemite), the Mac doesn’t recognize any USB devices. Neither disc ...
20
votes
2answers
344 views

What is it that makes Windows require constant rebooting while Linux does not? [duplicate]

Like many people, I run dual systems on my computer. Important updates require constant reboots on Windows, while I don't think this ever happened to me on Linux. What properties of each OS decides ...
-2
votes
2answers
56 views

How should I set up a version of Linux so that it will use absolutely the smallest amount of RAM possible? [closed]

I need to set up a bunch of virtual machines using virtualbox. They are all going to be used for exactly one task, and nothing else. I want to run as many as I possibly can at once, but have limited ...
0
votes
2answers
367 views

OS password protect

My brother is an IT guy and uses my computer like it's his own. I have windows 10 now. The standard OS password will not work because he knows how to get around it. Google is useless to help. How can ...
10
votes
5answers
8k views

RAMDISK OS? Installing Windows 10 on a ramdisk

Is it possible to put the entire operating system on a ram disk? If I have 16 GB of RAM and it is an Intel Xeon. I don't have an SSD and my hard drive is killing my boot time. So can I just allocate ...
0
votes
1answer
136 views

Does Windows 7 safemode block vendor-specific chipset, USB, and audio drivers? Can the loading of incorrect drivers result in catastrophic failures?

My Gigabyte motherboard shorted and fried my Ivy Bridge CPU. I have repurchased a new motherboard (Asus H170) and CPU (Skylake). Just like previous users on this site (1 and 2*), I want to reuse my ...
-4
votes
1answer
130 views

Why do OS's have to be placed on HD's and not separated on updateable chips of their own?

Imagine we lived in a world where we'd never have to worry about modifying or deleting an important system file, where we'd be virtually immune to RAT's or viruses interfering with the operation of ...
0
votes
0answers
78 views

Need help dealing with a full Ubuntu crash on a Chromebook

I’ve had Ubuntu/Crouton installed on my Chromebook (HP 2014 Chromebook) for a few months now, but suddenly nothing is working. I installed Ubuntu on it using Crouton a few months ago but I’m not sure ...
0
votes
0answers
141 views

How to build your own Linux distro with LFS

I have built an OS from Linux From Scratch (LFS). I would like to make it installable on other systems as we install from CD/DVD with other distros, instead of building it from scratch on each machine....
0
votes
2answers
155 views

How to remove a Windows installation if you have two on your computer? [duplicate]

I have two Windows operating systems installed on my computer. One is Windows 7 or Vista and the other one is Windows 10. I want to keep Windows 10 and remove the other one. How do I do this?
-7
votes
2answers
71 views

Can you swap 2 harddrives in one computer back and forth? [closed]

I wanted to develop for mac, but the thing is that i dont have a mac. I was wondering if i could just buy another hdd, and then download the mac os so i dont have to dual boot, which i heard slowed ...
2
votes
1answer
39 views

Processors and virtual/physical addresses

In nutshell, as I understand memory management, processor produces virtual addresses. These addresses are translated to corresponding physical addresses using per-process address table by MMU (with ...
2
votes
1answer
45 views

What happens when you enter an incorrect password in an os? [duplicate]

I have found that in any operating system, when you enter the correct password the password box directly disappears whereas when you type an incorrect password it keeps loading for a second and then ...
0
votes
0answers
33 views

how to create customized operating system booting disc

I want to know how to create customized OS booting disc (like HIREN boot disc), with some basic software like CCleaner,VLC,MS Office,Chrome,Firefox ,etc. I want to create a Windows 7 customized ...
0
votes
0answers
412 views

Install Kali Linux on External Hard Drive Disk

I am interested if is it possible to install Kali Linux Sana 2.0 on external hard drive disk or not and if it is possible, how to format external HDD(NTFS or FAT32 or exFAT) an install OS Kali Linux ...
0
votes
1answer
2k views

Error while Upgrading OSX El Capitan GM Beta “This core operation is not allowed on a sparse logical volume group”

I'm trying to upgrade my Mid 2014 Macbook pro from OSX Yosemite to El Capitan GM Beta. I have downloaded update today but while upgrading, installation stops and throws the following error. OS X ...
11
votes
2answers
2k views

How many hours the PC has worked

I will buy a used PC and I want to know how many hours the PC has worked. I have already found : systeminfo | findstr /C:"Install Date" systeminfo | findstr /C:"BIOS Version" but I need to know ...
0
votes
1answer
28 views

Linux kernel working only on kernel mode [closed]

Porting the Linux kernel to an architecture that has no execution modes (is always in kernel mode) and has no MMUs seems like a very unprotected system. Would it be possible to make Linux run in that ...