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Questions tagged [operating-systems]

The layer between your hardware and software. It manages disk input/output, memory allocation, graphic acceleration, hosting device drivers and various other resources.

-5
votes
0answers
27 views

What will happen if the next version of Microsoft Windows is a Linux distribution that is still compatible with old Windows programs? [on hold]

Ok, this question can look silly but there could be some avantages for Microsoft : - better penetration in the servers market - better stability - more lightweight Of course this mean a lot of ...
-1
votes
0answers
9 views

Ethernet connection not working on Windows after Tails OS usb installation [on hold]

I installed Tails OS on a usb as show in this guide https://youtu.be/QXj4RqCvEsM. After that and booting up again on Windows my ethernet connection stoped working, but everytime I boot up my Tails OS ...
0
votes
0answers
18 views

Mac OS VM in VirtualBox booting into uefi shell prompt

My Mac OS virtual machine is booting into Uefi prompt and I can't find the directory fs0. It only shows blk 0, blk2 etc. the boot.efi file is located in fs0. I have efi enabled. I tried with both ...
0
votes
0answers
29 views

Eumerate the process' memory pages which are executed by a program in Windows o.s

How can I enumerate a process' memory pages which are executed by a program in Windows? With "memory pages executed" I mean the (executable) memory pages with at least one instruction which was ...
0
votes
1answer
10 views

dtruss not working on my machine?

I am fairly new to Mac OSX. I need to examine some system calls, and apparently dtruss is a good tool for doing that. However, I think dtruss is not really working. When I execute sudo dtruss -a -f ...
2
votes
1answer
28 views

Make image of the OS

I am using a Nano Pi device which has Debian OS in it. The OS image is existing in its internal memory (8 GB). The total size of the used memory is somewhat 4GB. I want to take a backup of this OS ...
-2
votes
1answer
24 views

Windows 7 professional installation

I am going to install new OS windows 7 professional sp1 and I going to bought from ebay US ,am an Indian is that key valid for Indian region or it araise any issue is bought from different country and ...
-3
votes
1answer
68 views

Virtualization without a OS? [closed]

What is a program like VirtualBox, that can be installed Directly on Hardware, without using any OS?
1
vote
1answer
40 views

Is there an open source operating system I can run on an old Power Macintosh 9600? [closed]

I'd like to get some use out of an old Power Macintosh 9600 with a 350mhz PowerPC 604e and tinker with it. Is there any open source OS I can install on it?
34
votes
3answers
8k views

How is the operating system able to know the battery level?

Even if we remove the default OS and install a new one it can interact with the battery. Are there some drivers for it? How does it work?
-2
votes
2answers
42 views

Are interrupts used to signify that output is ready or input has completed? [closed]

Operating System Concepts says: During I/O, the various device controllers raise interrupts when they are ready for service. These interrupts signify that output has completed, or ...
0
votes
1answer
54 views

GrubX64.efi not found error

Facing grubX64.efi not found with UEFI boot install. I am using rufus to convert it to usb and the strange part is, EFI folder(iso) has the following files: "BOOTIA32.EFI,BOOTX64.EFI,fonts,grub.cfg,...
0
votes
0answers
25 views

How to setup a Freedos with old Kernel version (2026a) to system

I bought a laptop with Freedos 1.1.26a build (2026a) and I formatted it to Windows 10. Now I want to get it back to Freedos with same version before. A solution on web was saying that formating where ...
-2
votes
2answers
77 views

What is windows API?

I dug on the internet to try to have a clear idea of what are exactly a framework, a library, and an API. But I still don't understand something. What is the framework/library the windows API is ...
-2
votes
1answer
39 views

Why do I have 4 partitions?

I wanted to install another OS on my laptop but I noticed that I already have 4 partitions the first is Healthy EFI Partition then Recovery then C: then Restore Partition. Should I remove one? If so ...
0
votes
0answers
30 views

HideWirelessSetupInOOBE not working. Wireless setup option still prompts after Task Deployment upon first logon attempt

After we deployed Windows 10 1803 via SCCM TS on computers with Wifi adapter automatically enabled, there is a step in the OOBE Setup Wizard to choose or skip the Wifi network, even if the ethernet ...
1
vote
0answers
20 views

Reinstalling Windows to Make MOBO and Memory LEDs Default

I’ve been trying to reset my motherboard and memory LEDs to default using MSI’s Mystic Light software, but every time I reboot, it loads to the same config, not the default settings I applied. Will ...
0
votes
0answers
14 views

Can't run any exe file after switching MS Account to Local Windows 10 account - “Run as Admin” works though [duplicate]

Its horrific, I cant even open regedit. When clicking on any .exe it asks me to choose an app to run it "You'll need a new app to open this .exe file" When trying to run "regedit" it promts that it ...
0
votes
1answer
19 views

Can I remove aeadisrv.exe from windows 7?

I have notice that aeadisrv.exe running on system background and it keep consuming about 22% of the cpu. Is it okay to remove it from my pc?
0
votes
0answers
22 views

Mac OS 10.13.6 1TB HDD - How can I reduce the System file size currently 438 GB

How can I reduce the System Storage file size Using the Manage Storage System, the File indicates 438.03 GB file size. How can I reduce this. I would also like to see inside the system folder to see ...
1
vote
1answer
61 views

Create Multi-OS INSTALLATION USB

I have big usb drive, say it 128GB, and want to download popular installation iso distributions, like Windows 7,10, Debian, Ubuntu, Gentoo, FreeBSD, so on. I need ability to install any OS to some ...
3
votes
2answers
51 views

Does an operating system give out any kind of signal before going into sleep mode?

In other words, does a running application have any way to know that the computer is going into sleep mode?
0
votes
0answers
39 views

Can i install Windows 10 dual boot Ubuntu correctly via Linux “install alongside” option?

I have Ubuntu 16.04 installed without important data. I want to have Ubuntu 16.04 dual boot Windows 10. I read that doing this dual boot is better from windows. I want to install Windows 10 with ...
1
vote
2answers
53 views

The “memory available” that an Operating System tells child processes

I'm wondering about how operating systems let child processes know how much available memory there is. Say the whole computer has 1GB RAM memory built in. The operating runs and uses 100MB (I have no ...
0
votes
3answers
95 views

How does OS know what physical ram is free?

How does the OS know/keep track of what part of physical ram is free, so it can map the virtual page address in the page table to a physical frame in ram on a page fault?
-2
votes
1answer
89 views

Error loading operating system from USB

I am trying to load Windows 10 to a blank Dell hard drive, but this error keeps popping up: I have already updated the BIOS I have already ran a diagnostic and came out clean
1
vote
0answers
42 views

How to limit the launch of programs that do not have a digital signature?

the virtual machine Windows 12 r2. It is necessary to limit the launch of programs without a digital signature. Heard about SRP, tried to use, did not work, I do not understand what exactly is needed. ...
0
votes
1answer
45 views

Does operating system differ based on ISA or based on microarchitecture?

If an operating system is developed, say for instance 'Linux', will that be written slightly differently where needed (profiled) for different microarchitecture (Intel Pentium and AMD Athlon)? I see ...
1
vote
1answer
61 views

I deleted the whole HKEY_LOCAL_MACHINE\Software

I accidentally deleted the whole HKEY_LOCAL_MACHINE\Software, my computer is now unable to boot. I have tried system recovery, startup fix, previous good condition and safe mode is not working. How to ...
1
vote
0answers
23 views

Restarting Apache causes huge spike in system load

I'm using Apache as a reverse proxy to a Tornado application and currently load testing websockets on the system. Still in the prelim stages so the setup is as follows: I built a Node.js script ...
1
vote
0answers
55 views

How can I boot Windows 10 from my HDD located in caddy?

Intro: My laptop is DELL Inspiron 5720. I had a single slot for HDD in my laptop with Windows 10 installed on it. Then, I replaced my "old" HDD with a SSD. But instead of my ODD, I installed a caddy ...
2
votes
1answer
259 views

Windows 10 setup ignoring autounattend.xml

I used Windows System Image Manager to create an answer file for an embedded Windows 10. Windows 10 setup seems to ignore the answer file completely and asks me to set up the machine instead of being ...
2
votes
1answer
118 views

Why there are different default values of TTL used by different operating systems?

In Windows the default TTL is 128 while in Ubuntu it is 64. I always asked the question by what principle these values were chosen, and not for example 255?
0
votes
0answers
28 views

Why clustered page table is useful for sparse address space? Isn't a hashed page table enough?

My textbook says it's similar to hashed page tables except that each entry in the hash table refer to several pages. It also says it's useful for sparse address space, where memory references are ...
0
votes
2answers
66 views

Can a process has 4GB logical address space? [closed]

So a single process will have 2^32 bytes address space, isn't that too big? If the address space of a single process is that's big, won't it cost too much time swap-in/out between main memory and ...
-3
votes
1answer
61 views

Can an application create multiple processes?

I have come to understand that a program is an executable code in the hard-drive and when this is being executed an instance of this program is loaded on to the memory called a process. My question is ...
52
votes
11answers
8k views

Would an executable need an OS kernel to run?

I know that when the source code, in say C++, is compiled, the output from the compiler is the machine code (executable) which I thought were instructions to the CPU directly. Recently I was reading ...
2
votes
2answers
57 views

What part of Docker image defines its Operating System?

According to my understanding of Operating Systems, the kernel of the OS is what defines its identity as an OS. But, docker container does not have a kernel of its own. It uses the kernel from the ...
0
votes
2answers
188 views

Anyway I could change my OS Build?

My windows 10 computer has os build 10240, and I need higher for Windows Subsystem for Linux but I have used it before but I performed a factory reset. Please help.
0
votes
1answer
48 views

How to block all connections (except windows update) until Windows 10 is fully updated?

I want to block all connections (except windows update) until Windows 10 is fully updated. How to do that?
1
vote
1answer
80 views

Why are Virtual Machines operating system/distro specific?

Why do virtual machine programs (Virtual Box, VMware, etc.) ask what operating system and, in the case of Linux, distro will be running in a virtual machine? I would think that the VM program would ...
1
vote
2answers
164 views

Format hard drive without starting windows

My hard drive must be corrupted/missing files etc. I cant boot any windows install/linux. Because i currently can't launch any OS (I also tried running dban to complete wipe my hard drive but there ...
0
votes
0answers
118 views

Cannot activate/turn on Windows Subsystem for Linux feature on Windows 10

I'm having a really strange issue with turning on the Linux subsystem on Windows 10 and I've scoured the internet to see if anyone has had this issue -- to no avail. Basically, I click the checkmark ...
0
votes
0answers
32 views

Dual booting using the USB drive

I have removed Ubuntu 16.04 LTS from my laptop. I had installed it with USB dual-boot. First i removed the partition and from advanced option choose command prompt and run bootrec.exe /fixmbr. Now I ...
3
votes
0answers
92 views

Windows 10 Updates: Win 10 updates its version in increasing order (going through each update)?

I had installed window 10 (genuine and it was some oldest version of win 10)on my laptop in drive with 50 GB storage, since win 10 has been upgraded every twice (approximately) a year, so every update ...
3
votes
2answers
193 views

Retrieve process information from nohup command

I use nohup command to run shell scripts as the following: nohup ./run.sh & My question is: After logging out the terminal and coming back later, how can I retrieve the information about this ...
0
votes
1answer
109 views

Windows 10 fails to upgrade from Home to Pro edition [duplicate]

I have a legitimate Windows 10 key, which I got from Microsoft Imagine as part of being a student at my school. I have previously used the key 1 time on another computer of mine and successfully ...
1
vote
1answer
60 views

How can I get any programs to only/always interact with D: instead instead of C:? [duplicate]

I've built a rig with a small SSD for C: which I want to be pretty much only for the OS, and a HDD D: drive. Problem is, even when I tell them to install and run from D: a lot of programs keep sending ...
0
votes
1answer
386 views

How to access/view MacOS files from Ubuntu 18.04?

A few days ago my Macbook Air's disk partitions messed up or something and from what I've gathered off the internet, it seems that the boot.efi file cannot be found.Thankfully I have a PC and could ...
0
votes
0answers
12 views

Levels of interfaces between the users and the OS

What are the three levels of interfaces by which users and application programmers interact with the Operating System ?