operating-system

How to run cable distance test over ethernet on macbook pro mb985?

I had an EeePC 701 and there was utility called "Atheros Ethernet Utility". The most important feature - it can test ethernet cable and show on what distance it damaged. Are there any analogues for Mac OS? Software, or port for macports? Thank you/ ...

Where does printk print to?

Hello guys, Just a quick question on printk function at the kernel level, if i call this where will the message be printed to.(im using ubuntu on i386 arch with the latest kernel downlaod) cant find it anywhere, if someone could also point me in the right direction for some sort of manual for the printk function it would be great! ...

Where do i get the api for the linux kernel that would let me access information within the kernel

Hello guys, i am new to linux, i am after implementing a simple system call on the linux kernel that prints to the syslog via printk, i would like to be able to extend this application , so i can details on the battery percentage of my laptop or check the speed of the hard drive in the computer, could any of you give me a hand on whe...

Adding a "useful" syscall not normally available to a non-root user....

Hey guys, I've implemented a simple Hello World syscall with limited functionality - that simply transitions from user mode to kernel mode, prints a message that is logged with the kernel messages, and transitions back to user mode. The next step for extra credit is to add a useful (new) syscall that is not normally available to a non-...

Assembly Segmented Model 32bit Memory Limit

If a 32bit Operating System operated with a segmented memory model would their still be a 4GB limit? I was reading the Intel Pentium Processor Family Developer's Manual and it states that with a Segmented memory model that it is possible map up to 64TB of memory. "In a segmented model of memory organization, the logical address ...

How to test software installations on clean Operating Systems?

I want to test the installation/deployment of my software on a variety of Operating Systems. Is my only choice to do the following? Purchase VMWare Workstation Purchase the discs for each of the operating systems I want to test against ...

Can I manipulate a window(process) that I have not created?

Hi, I have this application that I haven't created and I don't have the source for. But it's really handy in handling and recording the time I've used on different projects. But it has this annoying pop-up that comes up that contains a window and some debug text I believe. It wasn't done by a professional, it was just a hobby project. Ev...

Cloud OS used by google,salesforce etc

Hi I recently heard about Windows Azure which is an Operating system for the data centers. Is there specific OSs used by google, salesforce for they own clouds. Can I find some papers that go through internals of these OSs please. ...

A full operating system in c#

I saw this thread here. I was wondering if this was legit (sounds like it) and what are the drawbacks of doing this. What does it entail to run it stand alone in some architecture? Thanks ...

Typiclal DNS lookup behaviour of browsers on diffent platforms, for IP addresses?

When browsers look up hostnames, do they do that even when the "host name" is an IP address? For instance http://74.125.39.105/ goes to some Google servers. Will this result in a DNS lookup on common browsers and platforms, such as Safari, IE, Firefox, Chrome, Opera, Windows, Linux, Mac OSX? Or will the browser (in the common case) just...