The layer between your hardware and software. It manages disk input/output, memory allocation, graphic acceleration, hosting device drivers and various other resources.
2
votes
1answer
37 views
What are the differences between “enterprise” and “home” Linux distributions?
Simply as the title says, what are the main differences between these two kind of distributions?
Being Linux basically suited to be tailored to each own preferences and fully customizable in every ...
0
votes
1answer
31 views
Taking a snapshot of your HDD, so you can revert back to it anytime
I have an OS installed in VirtualBox and like how I can take a snapshot of the current state of the OS before making changes to it, from changing settings, to installing software, to applying updates, ...
-3
votes
2answers
65 views
Does kernel run everytime? [closed]
As i know, kernel is a process. so it works in some time Quantum.
but i have heard that kernel works every time.so how we can say kernel works every time?
0
votes
1answer
34 views
Installing OSs from a hard drive
I work in QA and we test on 32 and 64-bit versions of Windows XP, Vista, 7 and 8. We are always getting in new hardware or having to rebuild systems. We have old outdated discs and have recently made ...
-1
votes
1answer
41 views
Legally swapping Windows 8 versions between two laptops
I have an HP dv6t-3000 laptop that came with Windows 7. A few months ago, I upgraded to Windows 8 Professional with Media Center by purchasing and downloading the update from Microsoft. I also just ...
0
votes
0answers
19 views
Can't Start Ubuntu on Macbook Pro
I am attempting to load Ubuntu onto my Macbook Pro, Mid-2010, Version 6.2. I partitioned off 50 MB and am downloaded Ubuntu 11.10 onto a disk (ubuntu-12.04.2-desktop-amd64.iso). I loaded rEFIt to be ...
-1
votes
1answer
51 views
Advantages/disadvantages of virtualizing a CPU? [closed]
I saw that my virtualization tool does not virtualize my CPU. But, it virtualizes everything else. I want to know what could be the reason, advantage/disadvantage of virtualizing a CPU.
0
votes
1answer
49 views
Exhaustive Windows 7 troubleshooting procedure?
I have been using this laptop for almost two years now. Its an Intel 2nd Gen i3 with 4 GB of RAM with a 512 MB of ATI Radeon 5470 GPU running the 64-bit version of Windows 7 ultimate (Not too ...
0
votes
1answer
27 views
Where can I find an initial/default computer name per OS? [closed]
After installing the OS you get an initial/default computer name, i.e. for some Windows computers is something like "WIN-SJ32FF4". Does it always start with "WIN-"? What would it be for Linux? ...
9
votes
3answers
150 views
Swapfile on different drive
Is it worth to spend money on a small capacity HDD (~5-20 GB, very cheap though) to use it as swapping area for the OS?
I do believe it will increase the OS performance , or maybe SSD (still ~5-20 ...
0
votes
4answers
27 views
Mac OS and system use/history
Someone had access to my machine while I was away on vacation and I'd like to know what was installed or copied to my hard drive during a limited 3 day timeframe. Is this system info available? I ...
1
vote
1answer
40 views
Basic DOS terminal browser partition manager?
Last time I met some problems with my hard drive. I found the Repair your computer mode, you know, when you press F8 and you have admin rights, you can enter terminal with SYSTEM rights. So I can copy ...
0
votes
0answers
24 views
Parallel Processes: Core Dump [closed]
I am trying to create an application which let you pause/resume any parallel process from any state. There are many thoughts. One is: core-dump. Can anyone tell me about creating core dump of parallel ...
0
votes
4answers
46 views
Is there a cross OS (win/mac) scripting languagee? [closed]
I use Autohotkey for all my Windows scripting, but would like to use something that could apply to a Mac as well. Without having to write it in multiple languages. And having it compatible with ...
1
vote
3answers
75 views
Where can I find a comprehensive explanation of hard drive partitioning? [closed]
I have been messing around with linux distros and have been asked to create partitions. I generally just click through the standard options without really knowing what I am doing. Since this kind of ...
0
votes
1answer
21 views
Parse nmap output from vbscript to return only OS
I found a utility called nmap that queries an IP address and returns the (likely) operating system. In my tests it has worked perfectly. I'd like to embed it into a vbscript and call it as a ...
1
vote
0answers
43 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 ...
1
vote
2answers
44 views
How do OSes manage Fonts
How do OSes (Mac/Windows/Linux) manage Fonts?
Does the OS load a copy of each installed Font into memory, which can then be used by any application requiring that font? Does this mean that installing ...
-7
votes
2answers
69 views
Operating System: Is it possible to convert DOS to Window? [closed]
I have a DOS machine that I want to change to Windows Operating System.
Is this possible? If yes, can anyone explain the procedure to me?
0
votes
1answer
35 views
Intercept windows browser system messages
I appear to have a process or application that sends messages to the OS which cause the browser to pop up with the default page. This can happen dozens of times in a few seconds, but otherwise seems ...
0
votes
2answers
81 views
How does the Operating system stop IP spoofing?
I wrote a program which uses a raw socket to craft some packets with spoofed IP.
The raw socket for sending packets is:
// create raw socket
if ((sd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) ...
0
votes
3answers
43 views
Effects on Hardware due to Software [duplicate]
I was wondering if operating systems can in anyway effect hardware of a system. Like, is it possible that a corrupted OS can cause heating problems/ power management issues/ hard drive errors?
If we ...
4
votes
6answers
127 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 ...
2
votes
2answers
36 views
Creating a system deployment disk [duplicate]
Hi guys i want to create an image of a windows 7 system and use it as a deployment tool and when I want to setup up like more than 10 laptops, then i just connect them on a network and deploy the ...
2
votes
1answer
86 views
Install Linux (BackBox/Ubuntu) beside Mac OSX
I have a MacBook Pro late 2008, 120 GB SSD & 250 GB instead of the CD-Drive. Now there's Mac OSX on both, but I want to install Linux Ubuntu on the HDD. Now there is the problem: "What Bootloader, ...
0
votes
1answer
43 views
Cannot switch between 2 operating systems [duplicate]
Guyz...
I've installed two OS i.e. Win 8 and a Debian distro. First I installed the debian one and then partitioned some free space for WIN 8 and then installed Win 8. The problem here arises that ...
2
votes
1answer
172 views
Can't choose between Fedora 18 or Windows 7 at startup
I've installed Windows 7 on my system, and made three partitions: one of 180 GB, one of 210 GB and one of 75 GB. I've made a bootable DVD with Fedora 18 from an ISO file and installed Fedora on the ...
1
vote
1answer
109 views
How can I force the boot menu to always show up at start up without pressing F10?
I have Visual Studio 2010 installed on Windows 7 on one hard disk and Visual Studio 2012 installed on Windows 7 on another hard disk in the same computer.
When I start up my system, I want the boot ...
0
votes
2answers
61 views
Reinstalling XP without disk or key
I apologize if this is a duplicate in advance.
I need to reinstall windows XP since it has become very slow and I suspected loaded with worms and root kits. I have uploaded all the files I need to ...
17
votes
4answers
1k views
Why does Linux use a swap partition when the kernel supports paging/virtual memory anyway?
As far as I understand paging and swapping, they're completely different concepts. While swapping means, that a process is either completely in physical memory or on the hard drive, with paging parts ...
1
vote
0answers
239 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 ...
0
votes
3answers
53 views
How can I install Windows without uninstalling existing Linux?
I installed Lubuntu 12.10 on a single drive. How can I install XP without uninstalling Lubuntu 12.10?
1
vote
2answers
101 views
Installing Windows 7 and Windows 8 in same partition
I have Windows 7 installed on my pc. In c:\ I want to install Wwindows 8 on the same drive as I have created the partition size as 350 Gb. I want to keep both Windows installations on the same ...
0
votes
1answer
112 views
How to keep Debian Squeeze's size to bare minimum? [closed]
Sometime ago I bought a VM and it had Debian Squeeze minimum installation, it was only using 2.8GB space.
Now I bought again from another provider but the OS they installed used 6.8GB.
My question ...
-2
votes
1answer
84 views
Can Ubuntu or Windows run OS X?
Can Ubuntu run Mac OS X?
I currently run Windows 7 – can I download and run one of the OS X programs?
9
votes
2answers
561 views
How to stop and detect the fork bomb
#include <stdlib.h>
#include <unistd.h>
int main()
{
while(1)
fork();
}
This is the code for a fork bomb.
In our college, we connect via telnet i.e client serving protocol. ...
2
votes
2answers
123 views
How to improve ram and hard drive performance
I'm not able to figure out what the actual problem with my system is. It takes 15-20 min to start up completely and when I checked the start up programs there was no big program listed.
When I open ...
0
votes
1answer
483 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
2answers
103 views
I want to run an rsync command at midnight but make it stop at 8am. How can i schedule the start AND END of a command?
I want to run an rsync command at midnight but make it stop at 8am. How can i schedule the start AND END of a command?
I've looked into cronjobs but that will only start at a certain time. Any ideas ...
1
vote
2answers
63 views
Is there any minimal operating system to run virtual machines?
I would like to use a OS X in a virtual machine, the problem is running the VM in Windows or Ubuntu because the host OS takes a lot of CPU.
Is there any very minimal operating system that can ...
-3
votes
1answer
47 views
USB Driver for Windows [closed]
I want to make a usb driver in c for windows. I have good background in c and c++.
Can anybody suggest me how should i start my development?any suggestion?
0
votes
1answer
35 views
Modifying the linux scheduler
I want to change specific parameters of the linux CFS scheduler like the virtual runtime of particular processes dynamically ( vruntime parameter in the sched_entity ). Is there any definite method to ...
1
vote
2answers
103 views
Image is too big for DVD, even though the image is small enough?
I am trying to burn an ISO image to a DVD.
The DVD is supposed to store 4.7 GB, but when I try to burn the image to it, Windows says the DVD is too small. The image is 4.51 GB big, and uses 4.51 GB ...
0
votes
1answer
62 views
Files are now readonly
I am using windows 7. All my folders became read-only suddenly and I cannot edit any type of file on my computer.
Yesterday it was fine, but suddenly I discovered this when I am trying to edit some ...
1
vote
3answers
23 views
Change operating system on boot up
I'm trying to figure out how to get the menu to change your operating system on computer start up.
I Have windows 7 & I'm trying to install Ubuntu.
1
vote
1answer
51 views
What is Root Buffer Overflow?
I understand what buffer overflow is. As the literature says, "A buffer overflow occurs when a fixed-length buffer reaches its capacity and a process attempts to store data above and beyond that ...
1
vote
0answers
47 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 ...
0
votes
4answers
424 views
How do I exclude specific directories from a Windows search?
I want to search for a file on drive C:. I know for sure it does not exist in a specific directory(s) (say Program Files). So to shorten my search time, I want Windows to exclude searching in those ...
-1
votes
0answers
12 views
Dual OS configuration [duplicate]
I have installed windows and Linux(ubuntu) on the same machine. Now the problem is when I start my machine, It directly goes to Linux and not asking me for the selection of OS either I want to load ...
1
vote
1answer
48 views
System restarts automatically
I have installed both Ubuntu 11.10 and Windows 7. My system was working fine when suddenly I got the blue screen of death (bsod) while logging into windows 7. It said about the ACPI compliant and when ...
