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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3
votes
1answer
5k views

Linux: Kill process on specific port

How to kill a process if its port is known? For example if a process is running at port 12345 then how it can be terminated in linux/ubuntu.
0
votes
1answer
24 views

How to delete selected System Restore Point in Windows

I have occupied 25 gb space of c drive for system resore point. and system automatically created 5 restore point and delete privous resore points. but i want to keep very 1st resore point and last 4 i ...
0
votes
0answers
15 views

Why does sound say it's working but isn't in windows 7 bootcamp?

I recently installed windows 7 home premium in bootcamp on os x Yosemite. The sound driver is working and everything. The sound appears to be working. I don't hear anything though. I have the volume ...
29
votes
1answer
2k views

65536 +1 Connection on a system

There are 65536 ports for every system in the network, and every connection or Send/Receive will use one of those. My question is: what happens if we have 65536+1 connections?! I know that it ...
-2
votes
0answers
18 views

Which book to learn how the Southrbridge Chipset and the OS internally work [closed]

As the subject states can anyone share which book explains how the OS and the Southbridge chipset (now called Platform Controller Hub) internally work together ? I would like to learn how the ...
-2
votes
1answer
25 views

Installing dual boot operating system

I want to install Microsoft windows server 2012 within windows 7 and then my pc will be dual boot operating system. What the process of it?
-2
votes
1answer
834 views

what is the services.msc file in windows?

Can anyone explain Actually why windows need services.msc registry ? The programs can be loaded dynamically from system32 right ? when this registry comes into the picture ?
0
votes
2answers
35 views

Windows 8.1 after migration to SSD looks for components on the wrong drive

weird situation: after I have migrated my Win 8.1 OS to new SSD I can't run certain operations as for example "Create Recovery Drive". Every time I try to start that I get error message "Windows ...
0
votes
1answer
60 views

Why is System32 still called System32 on a 64 bit Windows OS? [duplicate]

I've wondered this for a while. I personally think that System32 would make sense to be the 32 bit Windows OS. But when you have a 64 bit Windows OS, the file system is still called System32. Can ...
0
votes
2answers
15 views

Trouble booting OS

I've two hard disks, one contains XP, the other contains Windows 7. By default, 7 used to boot up, but, now XP is booting up. Even boot options doesn't show Windows 7. How to get back Windows 7 now?
0
votes
0answers
15 views

Preempt and blocking tasks [closed]

Could someone explain the difference between block and preempt with respect to operating systems. It would be nice if someone could give an example as to how different tasks are blocked or preempted ...
0
votes
3answers
313 views

Can I install Linux on a computer that has Windows 7

After installing Windows 7 on my computer that had Linux,Windows 7 erased everything that was part of Linux,including some games that I like. I doubt there is a way to recover those files. But,is ...
0
votes
1answer
5k 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, ...
-2
votes
0answers
36 views

How to get Firefox OS for x86 tablet

I'm very interested in Firefox OS, this system really has a power but it's available only on few (and bad) smart phones. I've read a bit about Firefox OS / B2G, his architecture etc. I know I can ...
-1
votes
0answers
44 views

Is it normal for TrustedInstaller.exe to be is not signed Windows 8.1?

I have windows 8.1 and I have a process taking CPU power called TrustedInstaller.exe V6.3.9600.17031 which is found under windows/servicing normal location; however, the file when I run it as ...
0
votes
1answer
23 views

Windows embedded standard 7: Why won't keyboard filter appear in group policy? and can I add keyboard filter to OS without reinstalling WES7

I have an operating system image already created, all the features installed. For some reason keyboard filter does not appear in group policy editor, after I did add it to the distribution share and ...
-2
votes
1answer
37 views

How Does an Operating System send Sound to its Speakers? [closed]

I'm doing a task for an assignment and have come across this question which I have found the internet has not answered for me(so far that I can find). I thought I might ask it. The answer does not ...
0
votes
1answer
64 views

Is the need for a text editor in an OS for humans or the system? [closed]

From Wikipedia: Text editors are provided with operating systems and software development packages, and can be used to change configuration files, documentation files and programming language ...
5
votes
1answer
545 views

Why is the system partition C:\? [duplicate]

How come that the system partition is C:\ and not A:\ or B:\? I know A:\ was used for floppy drives, but why not use B:\ then? And why was floppy drives used as A:\ as if it was more important than ...
1
vote
0answers
10 views

Batch file to change system date on start up?

Cmos battery dead with wrong time/date cant fix it at the moment In the time being I want a batch file to change the system date and time to current as a start up task But if the date/time is wrong ...
1
vote
2answers
118 views

Find NetBIOS/WINS name of a IP

How can I find the NetBIOS/WINS name of a PC in my LAN In suma: I have the IP of a machine in my LAN I want to get the name of the machine (if it has one)
17
votes
7answers
18k views

Are we supposed to manually delete the contents of /tmp?

I was under the impression that “old” files in /tmp will be regularly deleted. However, it seems to me that /tmp will just grow as long as it wants to, and nothing will be deleted. Some people say ...
0
votes
1answer
47 views

How to increase brightness of laptop screen above maximum in BIOS or Linux/Windows?

Is it possible to increase the brightness of laptop screen above what's possible in BIOS and Ubuntu Linux/Windows ? I have an old laptop (Lenovo-X200s) and the maximum brightness is rather dark. I ...
0
votes
0answers
16 views

Multiple PC's sharing operating systems

I have an Amd 3+ chipset pc, and I am interested in getting a micro-atx intel board for a hackintosh that would go in the same case. This is particularly useful to me for cross development. I would ...
-2
votes
2answers
44 views

How many operating systems are allowed to install a single computer? [duplicate]

I have already install windows 7 and ubuntu in my pc, but now I want to install windows server 2012 in same computer. Is it possible?
3
votes
4answers
12k views

Memory limits in 16, 32 and 64 bit systems

The theoretical memory limits in 16, 32 and 64 bit machines are as follows: 16 bit = 65, 536 bytes (64 Kilobytes) 32 bit = 4, 294, 967, 295 bytes (4 Gigabytes) 64 bit = 18, 446, 744, 073, 709, 551, ...
0
votes
1answer
236 views

Cannot install Kali linux

I am trying to install Kali Linux. My laptop is 64-bit. I am trying to use bootable USB drive. It is giving me this error saying "An installation step failed, You can run the failing item again from ...
3
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 ...
-2
votes
1answer
48 views

IE 11 Operating System is not Supported

Am trying to install IE 11 in windows 7 professional 32 bit OS but it showing error. please find the attachment you get know..please help me out this issue... Error Like, "operating system is not ...
0
votes
2answers
51 views

Can I activate a different version of Windows using an OEM key?

I wanted to reinstall Windows on my laptop, which came with Windows 8.1 Pro. I accidentally reinstalled it using a non-Pro install medium. Now Windows won't activate with the key from my initial ...
0
votes
1answer
29 views

Why an OS has same name on different achitectures?

What is the similarity in running a same OS (like Linux) on different architectures? I mean, we cannot run Linux x86 apps on Linux ARM. And even the OS itself is constructed differently for different ...
0
votes
0answers
39 views

Is there a way to install Arch Linux on a separate drive via Windows?

I want to install Arch Linux on a new SSD I've bought however I don't have any discs or external drives to install it from. Is it possible to install Arch Linux via Windows 7 which is running on a ...
1
vote
1answer
6k 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) ...
1
vote
0answers
32 views

Advantages and disadvantages of turning off secure boot when installing an OS [closed]

So I've read Debian testing (codename 'stretch') supports secure boot, but what about Debian 8 (codename 'jessie')? Besides, do you normally turn secureboot off when installing your OS? Can you list ...
0
votes
2answers
46 views

Remove one of multiple Operating System

I have two operating systems, ubuntu and backtrack 5. I no longer need BT5. How do I remove/uninstall BT5 without losing any data of Ubuntu ? Edit 1: After I delete the BT5 partition how do I extend ...
0
votes
0answers
16 views

Recover lost Ubuntu Partition

I lost 60GB of my hard disk partition during a failed Ubuntu installation. It is now invisible while using Windows 8.1. How can I recover it? Please help.
0
votes
0answers
18 views

PXE install update status

I'm currently working on an install system for my servers. Everything works fine except the fact that I want to update a state in database proportionally of the install's state like "Reboot on PXE", ...
0
votes
0answers
9 views

Multiple interaction controls on a single computer

I wonder if there is a way to interact with a single computer using two interaction controls.For example,two people must be able to interact with two different application simultaneously on the same ...
0
votes
2answers
31 views

How do I set the time on my Ubuntu

I run my ubuntu on a virtual machine and the time does not update. How can I set up my machine so that everytime I turn it on the time will be correct? Ubuntu 12.04 running on a VMware VM with a W7 ...
0
votes
1answer
52 views

single user vs multi user mode (without networking) init level 1 vs 2

I tried init 1 (single user mode) and i am still able to switch between users. So this leads me to think that maybe other users is not able to login if i have a network (hence single user mode) Then ...
4
votes
2answers
955 views

Windows NT after Windows 9x

Windows NT 4.0 was the last "NT"-labeled operating system, but the NT naming convention is still used - 5.0, 6.0, 10.0, etc. Mike Meyers says Windows 2000 was the first step toward changing this ...
0
votes
1answer
611 views

How to determine who is beeping on my computer?

I have HP dm3 laptop and windows 7 installed on it. There is some beep for a 0.5 seconds periodically. There is no regularity. I did not found nothing suspicious in evets log. There is nothing ...
3
votes
2answers
51 views

Is there a performance difference when installing an OS on the last partition?

I have a laptop with Windows installed on a GPT hard drive. I want to have another partition to store data and yet another to install Linux Mint (or Ubuntu, still deciding). Should I install it on the ...
1
vote
2answers
56 views

How to delete a OS from dual boot system without harming other one? [closed]

If there is a dual boot system ‘Windows-Linux’ or ‘Windows-Windows’, I mean in one HDD there are ‘a Windows 8.1 partition and a Windows 7 partition’ or ‘a Windows 8.1 partition and a Ubuntu ...
0
votes
1answer
33 views

OS X: how to hide all windows except one?

I've been using Mac for over a year now and I can't figure one thing out. I have a lot of windows opened at once usually, then there's a point at which I want to drag & drop something from my ...
1
vote
3answers
41 views

What does “based on” and “derived from” mean in Operating Systems context? [closed]

I have been reading about *nix history and the more I read the more I get confused. I am reading terms like ... is based on ... or ... and ... derived from .... etc. A concrete ...
1
vote
1answer
35 views

Reinstalled windows 7 now can't get access to dual boot [duplicate]

I had a dual boot setup with a Debian based distro (crunchbang) as primary and win 7 also installed. Recently I reinstalled win 7 on it's existing partition but now the boot loader is gone and win 7 ...
1
vote
1answer
31 views

Linux temp files, cache and memory management [closed]

If a linux machine runs for a long period of time without rebooting don't the temp files, cache files and other non-permanent files become an issue (hard drive)? How does linux handle this, also how ...
1
vote
1answer
39 views

Better Way to Clone Current Operating System? [closed]

This Question maybe so bad, I am Newbie if you dont like, please ignore this, but I was thinking about something tools to creating , packaging current operating system with current configuration. ...
3
votes
1answer
142 views

Spec for spec speed differences between specific and generic hardware setups

John Carmack tweeted: For the same given paper spec, a console will deliver twice the perf of a PC, and a PC will deliver twice the perf of a mobile part. Normally this is the sort of claim I ...