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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9 views

My captive portal does not display OS' splash page. How can I do this?

I have created a Wifi access point on my server. I added such configurations: 1. some iptables rules to ensure redirect to a landing page (local web) 2. no ip forward. If I'm right, this ...
0
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0answers
13 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
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0answers
16 views

How to bring a process to background and foreground programatically?

I am working on a project which involves creating two processes using fork. And the task was to put the child process in background on demand basis. I handled signal handler (CTRL+Z) in parent. And I ...
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0answers
12 views

Is it possible to log the which OS I am booting into from bios?

Is it possible to log the which OS I am booting into from bios? Or If I am booting to CD or pendrive is it possible to log the same?
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0answers
15 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", ...
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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
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2answers
22 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 ...
1
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2answers
100 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)
4
votes
2answers
927 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 ...
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1answer
22 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 ...
3
votes
2answers
47 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
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2answers
25 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 ...
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0answers
13 views

Calculate latency time from transfer time

In a disk, there are 290 blocks in a track. I know the trasfer time is 50MB/s and latency is medium. How can I calculate the latency time knowing that the transfer time is Tt=b/(rN), where 'b' is the ...
0
votes
1answer
29 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
1answer
29 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
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3answers
38 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
23 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 ...
0
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0answers
10 views

Of how mutch importance is it to distinguish between subsystem and subsystem/kernel pair

There is no system but GNU and Linux is one of its kernels It is possible to have a kernel with different subsystems and a subsystem running on different kernels. Some real life examples ...
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votes
1answer
50 views

identifying custom half-built computer [closed]

We were recently cleaning through an old storage unit when I came across what appears to be a half-built server. I don't see any stickers or identifying information. The case is a 'superfox' (there ...
0
votes
1answer
913 views

intelliJ not working on El capitan 10.11

I just installed the new OS El capitan 10.11 and discovered that intelliJ isn't working on it. When I launch it, I get this error: "This application requires the legacy Java SE 6 runtime which is ...
-2
votes
0answers
40 views

Inappropriate kernel error [duplicate]

This kernel requires an x86-64 CPU, but only detected an i686 CPU. Unable to boot - please use a kernel appropriate for your CPU. Does this mean I will have to download the 32 bit one? Would ...
-2
votes
0answers
17 views

OS which occupies least memory [duplicate]

I want to install an OS using virtualmachine. for that i need an os which occupies least amount of space. i expect it to be able to install basic applications. Ubuntu desktop occupies about 1000mb ...
1
vote
1answer
38 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. ...
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0answers
9 views

VMware - Debian 7 Wheezy System Manufacturer and System Model

For a Linux VMware Virtual Machine (vsphere), I'd like to change the "System Manufacturer" and "Model". I do not want to show the original biologic. Instead I want you to write the name of the bios ...
-1
votes
0answers
42 views

What is meant by a 32-bit PC vs. 64-bit PC? [duplicate]

What is exactly meant by 32-bit PC and 64-bit PC? Why does 32-bit software run on 64-bit PCs, but 64-bit software doesn't run on 32-bit machines? A 64-bit instruction set is written as 'x64'. Why is ...
0
votes
1answer
28 views

Hardware issues running Linux from USB [closed]

I'm aware there are potential drawbacks when running Linux off a USB drive such as SATA bus/USB speed differences and the finite lifespan of flash drives, but all this aside, are there any potential ...
0
votes
1answer
22 views

Is it possible to deactivate preinstalled windows software and install it on a mac using Boot Camp?

There is a program that I would like to download for mac, but it didn't make a version specifically for mac yet. I have a PC with windows 7 on it (including the license key). Is it possible to ...
0
votes
0answers
20 views

Remove Leftover Thunderbird Notification Popup from Screen (Windows 8 Os)

I hope this question is within the scope of this stack exchange community. Thunderbird has a popup notification for new mail(see image), and for some reason, it got stuck in my screen. I was wondering ...
2
votes
1answer
42 views

How do I print multiple images to one page on Chrome OS?

I cannot seem to figure out how to print multiple pictures per page using Chrome OS. Would appreciate any advice. I'm googling and searching for a Chrome OS app or extension now, but so far no luck. ...
1
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1answer
29 views

View all login history on macbook pro OS 10.6.8

What command can I use in terminal to see login history? I think it's possible someone created a hidden account or booted the machine in safe mode.
2
votes
3answers
75 views

Move hdd to other laptop, need Win7 reinstall? [duplicate]

A Thinkpad T61p died (motherboard), I think hdd is ok. I then mounted the hdd in a Thinkpad R61i; after hardware change warning, it gave BSOD and instantly shut down. Is it possible to maintain ...
-2
votes
1answer
32 views

How many letters can copy in a single instance?

We're always use Copy & Paste function in various OS's . Now, I want to know how many bytes can copy in a single copy command. Can I copy entire letters from Oxford dictionary on a single "CTRL + ...
0
votes
2answers
41 views

What is the equivalent of the Windows “Startup Folder” In Mac OS?

In Windows OS there is a “Startup Folder.” We can simply create a shortcut to the folder. Then, after the next computer reboot, the application or file will be executed automatically. How to do it ...
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votes
1answer
65 views

Installing Windows XP from the Hard Drive

I have an old pc that does not support Windows XP installation using flash drive, the only way to get it done is to boot it from its hard drive(since I dont have a CD/DVD Drive). Can you give a step ...
1
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0answers
16 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 ...
0
votes
0answers
32 views

Hardware Support for Paging

The address consists of 16 bits, and the page size is 8KB. The page table thus consists of eight entries that are kept in fast registers. How do we get the total entries in the page table as 8? ...
0
votes
1answer
33 views

Extra Program Files folder in Win7 and its removal

A WIN7SP1 on a Dell laptop showed an extra Program Files folder ('Programme' in German language version). How to get rid of it? The Dell laptop is from Ebay and the OS seems to have been flashed on ...
2
votes
1answer
42 views

Maximum virtual memory and physical memory

A Intel 64-bit x86 CPU,four-level hierarchical page table.Each for levels of page table can contain 512 entries, and the page size is 4KB. What's the maximum size for virtual memory and physical ...
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0answers
23 views

Block unwanted change in system time on windows

I don't want users to be able to change the system time. For this, I have set the Group Policy "Change the system time" to include only my Administrator account. I want to know the validity of this ...
1
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0answers
16 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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votes
1answer
73 views

Why do people still make 32 bit software [closed]

Why do companies like Microsoft still make 32 bit operating systems, when everyone have at least a dual core CPU? Why do software developers release 32 bit versions? I want to know this since I don't ...
0
votes
0answers
22 views

Installing Ubuntu in a new computer

I recently purchased a ThinkServer TS140 (Intel i3-4130; 8GB RAM, 1TB HDD). It comes without any installed OS or drivers. How do I install the Ubuntu OS in this computer? I tried burning the Ubuntu ...
1
vote
1answer
53 views

MAC equivalent - user name & appdata

I have a couple of questions: On PC I can get the username from the environment variable USERNAME and on LINUX it is USER - what the MAC equivalent? The users local area on windows can be found via ...
1
vote
1answer
88 views

Windows 7 won't create Administrator account

Win7 REFUSES to login to newly created user account, logged in as admin creating 2nd admin account. The account creates fine, but always goes into a "roaming profile" login. Have deleted, and ...
1
vote
1answer
21 views

Should system path & user path match?

This morning I was trying to add python to my windows 7 PATH and used: setx PATH "%PATH%;C:\python34\" /M This seems to have changed my path but not in the manner I'd hoped! My user path now ...
-3
votes
1answer
37 views

Why are the file formats different?

When you go to a certain site to download an application. why can't you run the same file formats for different operating systems?
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0answers
35 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 ...
0
votes
1answer
204 views

Serva Login 0x35 NetPath not found, wrong credentials, or unreliable net

I'm trying to install Windows 8 via PXE network boot, I'm using Serva for this. When I get to the ServaPENet screen on my client I can't connect. Drivers are installed (I tried three different ...
1
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2answers
35 views

Is there any way to install any linux distro without acesssing the bios? (broken screen)

I am trying to run a Linux system from my y500 Lenovo ideapad but I can not access the boot menu or bios at all. This is because I have a broken screen and am using an external display to make use of ...
0
votes
3answers
48 views

I'm not able to connect with SSH because of SUID warning

When I try to connect with another machine, after this command below: user1@host1:~$ ssh user2@host2 user2@host2's password: I receive: WARNING: Your password has expired. You must change your ...