Common features: Process management Interrupts Memory management File system Device drivers Networking (TCP/IP, UDP) Security (Process/Memory protection) Input/Output Some known operating systems, in alphabetical order: BSD GNU/Linux Mac OS/X Plan 9 Unix Windows
2
votes
0answers
34 views
Multi Encrypted Operating Systems with TrueCrypt
My laptop has a 250GB hard drive, and I currently use it to do a lot. I have Windows 7, Ubuntu 11.10, and BackTrack 5 on it, but I'd like to switch it up and add more security.
What I aim to do is ...
0
votes
1answer
27 views
how to know execution time of a background task in Linux
I am working with software raid in Linux. When I start the recovery of a raid array after a disk failure this task happens in background. /proc/mdstat should show the estimated time of recovery but it ...
1
vote
1answer
29 views
How could I install Linux to the hard drive of a different computer (one that won't boot from cd)
I have a really old Dell laptop that is beyond slow with its current WinXP installation. I want to make it usable again by installing a Linux distro (such as Xubuntu) but there is one big problem: It ...
3
votes
2answers
122 views
How do I create a safe system on a used computer (running Windows 7), once purchased?
I have recently purchased a used computer. It has Windows 7 Ultimate (OEM) installed, but didn't come with any recovery discs.
Even though the (private) vendor went to some effort to provide a fresh ...
2
votes
2answers
66 views
Do applications get removed from RAM when they are closed?
I've noticed that when you open a program, close it, then open it again, it seems to open a lot quicker the second time around.
Is this because the second time it's already in RAM?
Put another way, ...
0
votes
0answers
15 views
Trying to find a fast-boot media center “OS”
On an old Toshiba laptop I had, it had a media mode you could boot into with a special button that was just a very simple, keyboard-controlled media center. It booted immediately and was nice for just ...
-1
votes
1answer
74 views
Why do computers freeze? [closed]
When a computer freezes (windows or mac) where do you point fingers?
The OS (software);
The RAM (hardware);
Anything else? Do you point fingers at the graphics/video card? the HD?
2
votes
1answer
56 views
Install Windows 7 over Lan from pc with Win 7
Is it possible to install Windows in a brand new machine, if it only has the ability to launch OS from disk and lan?
I set the machine to Boot from lan and set my computer to Internet Connection ...
1
vote
1answer
23 views
will there be a degradation in performance if i install 2 OS?
I was planning 2 OS systems on my laptop. One is already installed which is Win7 and second one that i need to install is fedora. Is it that if i install fedora there will be a degradation in the ...
1
vote
1answer
57 views
How can I change the shell in Windows 98
How do I change the default Windows shell from explore.exe to my own custom shell in Windows 98?
1
vote
1answer
39 views
Can we manipulate “System information” that comes with Windows?
If I want to check a system's hardware like hard disk capacity, RAM etc...Is it better to check in CMOS settings or in "System Information"?
Is there any possibility to manipulate the System ...
0
votes
1answer
82 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 ...
1
vote
1answer
34 views
Possible to “move Windows XP” to data partition using following plan and symbolic links?
Background: I have Windows XP and Windows 7 on the same machine, on different partitions. Thus, I can perform operations on either OS while said OS is not running.
Terminology: "XP:", "7:" and ...
0
votes
1answer
56 views
Delayed delete of shift-deleted files
Sometimes when we do a shift-delete we realise only after a certain while that we have deleted the wrong file! (has happened with me). I just have an idea to avert this disaster! If the OS could ...
0
votes
1answer
112 views
How to install (to disk) ChromeOS?
I have a HP Mini laptop that I wish to install ChromeOS. I used hexxen's lime build as my laptop's wireless was not supported by vanilla, and I used a USB stick. It works fine, but I can't figure out ...
2
votes
1answer
38 views
configuring virtual machines
I Have windows 7 and I installed one virtual machine in it and in this virtual machine I installed opensuse Linux
Virtual A-------------Linux(Virtual C)--------Virtual B
I want linux to be in the ...
2
votes
1answer
52 views
is there a way to create symbolic link between folders in linux that works in windows also?
I have created a link to folder in unix using ln -s command.. but if I copy the folder structures to windows box the same does not work in windows. is there a way to achieve symbolic/hard links ...
0
votes
1answer
44 views
Testing an embedded device processor [closed]
I am writing some tests to test the processor on an embedded device (running on Linux). The device shell supports Ash, python and I can even run C code after compilation in scratchbox.
Can you give ...
0
votes
3answers
140 views
How are \n and \r handled differently on Linux and Windows?
I think \n moves the needle down, and \r moves the needle to the beginning of a line (left align)? I'm not sure, though. So, if I'm wrong please correct me....
Anyway, I was told that Windows and ...
0
votes
0answers
31 views
Why is Windows 7 not responding with a single color screen some minutes after boot?
I am using windows 7 x86 in Toshiba L300 1EF.
Last day I formatted my system and reinstalled the OS.
About 15 minutes after booting my system is getting stuck.
When system is getting stuck
...
0
votes
1answer
134 views
Windows 8 Developer Preview doesn't like my partitioning skills
I installed Windows 8 Developer Preview on my laptop. That was not the brightest idea I've had.
Yesterday morning:
It had Windows 7 using ~197 GB, Ubuntu using ~70 GB, Fedora using ~29 GB, a funky ...
1
vote
3answers
90 views
Why does 32-bit Windows impose a 2 GB process address space limit, but 64-bit Windows impose a 4GB limit?
I get that 2^32 = 4,294,967,296 and 2GB is for the OS and 2GB is for the process, but why does a 64 bit OS only give 4GB of address space? Should it not be 2^64 = 18,446,744,073,709,551,615 which when ...
0
votes
1answer
77 views
System booting slowly. Why?
I'm using Windows 7 Home Basic it was running smoothly but suddenly started getting the below error.
Since then its booting very slowly and every time showing the error cant understand whats the ...
0
votes
1answer
79 views
Where can I see the most recent updated time and the other things list in windows 7?
Where can I see the most recent updated time and the other things list in windows 7 and is there any way to reverse it back once after updating the OS?
0
votes
2answers
134 views
Best old PC Operating System [closed]
(According to Windows Vista), I have a Compaq Presario C500 laptop with a 32-bit Intel M 1.6 GHz processor. I have 502 MB of RAM and 30 GB of hard disk space free.
I don't care about frequent ...
3
votes
2answers
113 views
Structure of Chromium OS
I have used Chromium OS built distributed by hexxeh (weird hobby of mine). On Friday I gave a presentation (classroom activity, not some big seminar) in college on "Changing trends in Operating System ...
4
votes
1answer
36 views
In a multi-boot setup, does defragmenting from one OS affect the whole drive, or only its partition?
In other words, does defragmentation have to be done on each OS separately?
0
votes
1answer
37 views
Recover Data After Formating Ubuntu OS
I was having ubuntu 10.04 on my system, and 2 partitions one with 80 GB and the Other with 70 Gb. I took a backup from 80 GB partition and saved it in 70 GB, I installed Ubuntu 11.04 on my system, ...
3
votes
1answer
68 views
Serial mouse does't work without restart, but USB mouse will. Why?
When I connect a USB mouse to a working system, it will work fine but serial mouse isn't recognized by the system? To get the serial mouse working, I need to restart the system. Why is this?
0
votes
3answers
40 views
check harddisk specs for iMac
There are programs on windows to really get into the detail specs of one's harddrive, such as how many hours has it been used for and stuff. Is there such app for Mac OS, Lion? Thanks
0
votes
0answers
28 views
Is there any possiblity to run a 32 bit software in 64 bit OS or a 64 bit software in 32 bit OS? [closed]
Possible Duplicate:
Can a 32 bit OS run in a 64 bit processor?
Is there any possiblity to run a 32 bit software in 64 bit OS or a 64 bit software in 32 bit OS by doing any changes or with ...
2
votes
2answers
70 views
Is there a high-performance local area “file sharing” protocol?
It seems to me that most network "file sharing" protocols are one or more of old, slow, and insecure. The most used protocols seem to be SMB, NFS, and WebDAV.
I'm sitting here, looking at iTunes ...
2
votes
4answers
93 views
is it possible to toggle among different OS in a multi-boot PC without restart?
My notebook installed Windows XP and Ubuntu. Every time to toggle, I need to hibernate one OS (to keep current working things) and restart to the other.
Is it possible to keep both OS "live" and ...
10
votes
5answers
1k views
What is the maximum number of partitions that can be made on a hard drive?
What is the maximum number of partitions we can make on hard disk in windows?
If it is limited to some particular number why they have they provided until letter Z to assign? If it is a special ...
1
vote
1answer
45 views
Online Virtual Enviornments for Old Operating Systems
I often need to run software on old operating systems (e.g. Windows 95, Windows 98, MS-DOS). Currently I have a bunch of old hardware that runs these machines but I was wondering if there was a better ...
0
votes
1answer
145 views
How do I upgrade Linux Mint 8 to Linux Mint 12?
I have Linux Mint 8 on my home laptop. It dual boots Windows Vista.
It's time for an upgrade. Linux Mint 12 is out and I'd like to replace 8 with it.
How do I go about doing this?
0
votes
1answer
51 views
File systems in UNIX vs. Windows vs. Mac OS [closed]
Do the current Windows and Mac OS file systems (FAT, NTFS, HFS+) use bit tables and bit vectors for part of doing free space management for file management or is this concept only related to modern ...
0
votes
2answers
85 views
Install windows from FLASH USB. Software
Please direct me to software which can create bootable USB with winxp on it.
Yesterday I tried to create such on WIN7 and failed, I guess because of win7 admin rights.
Moreover I created such usb on ...
0
votes
2answers
41 views
ARCH Linux wanting to transfer
Hey I want to leave arch Linux. I created my own little operating system but it is so bare that I really wanna leave it. However, I cannot just boot another OS like ubuntu. I have to manually go ...
0
votes
1answer
47 views
Why does Unix deliver signals this way?
In Unix, when signals are posted, and the receiving process is running more than one thread, at first a thread is chosen to carry out the signal handling routine.
I don't understand why that is ...
3
votes
1answer
131 views
How do hardware interrupts work compared to software interrupts?
To give you an impression of the level of detail I'm interested, one example. I know a system call ultimately leads to a trap which lets the processor store registers, switch to supervisor mode and ...
2
votes
1answer
184 views
Macbook Pro Triple Boot OS X Lion, Windows 7 and Windows 8
MacBook Pro (Summer 2010 Model, Basic Model)
I currently have OS X Lion and Windows 7 running side by side on my MacBook Pro. However I have a need to get Windows 8 running as well in this mix (a ...
46
votes
8answers
11k views
Why is “Everything is a file” unique to the Unix operating systems?
I often hear people say "Unix's unique philosophy is that it treats everything as a file" or "In Unix, everything is a file". But I've never heard anyone explain why it is unique to Unix.
So, why is ...
0
votes
2answers
196 views
What is the difference between Local Disk and New Volume?
We have a product ,while doing some operation we found this error "Logical disk 'C:' was not found" . When i checked my "C" folder i saw its named as 'New Volume (C:)' , but when i changed to 'Local ...
-1
votes
2answers
80 views
Which Linux OS Dist is most python friendly? [closed]
I am a mid-level python developer interested primarily in creating WSGI-based web apps. I have a working knowledge of *nix but not of sysadmin. I will be working from command line. Which Linux OS ...
3
votes
1answer
67 views
Using an OEM Windows XP license in a Virtual Machine
I just bought a Dell 640m laptop with Windows Developer Preview installed. There is no directory with any backups. The COA on the machine is for XP. I would like to install XP as a VM on the same ...
-2
votes
1answer
90 views
what can I do with an old but working PC [closed]
I have an old Dell optiplex GX240 on Pentium 4 1.8Ghz and 256MB Ram (or was it 512MB). It's still in working condition but it's getting slow for me and i wanted to optimize it. I just want that old ...
0
votes
2answers
31 views
Will I be able to install OS from USB if I buy a card reader?
This may sound silly, but an external device could probably convert interfaces from USB to CD. So will I be able to install OS from USB if I buy a card reader?
2
votes
1answer
76 views
How to perform a low level disk copy? (Migrate Windows system from one disk to the other)
Currently, I have a SSD on my computer, I install my OS Windows 7 on it. Unfortunately, it's capability is too small (32GB), it gets full easily, I need to clean up files periodically, it's quite ...
0
votes
1answer
110 views
Dual boot with ubuntu and windows 7
Recently I bought Dell vostro 1550 model which was shipped with Ubuntu os. But now I want to install Windows 7 also along with Ubuntu. I am having single 320 gb hdd on which Ubuntu installed. Now I ...
