IT Nursery
What is the difference between user variables such as PATH, TMP, etc. and system variables? I accidentally deleted the user variable PATH. What am I supposed to do? 5...
All platforms welcome, please specify the platform for your answer. A similar question: How to programmatically get the CPU cache page size in C++? 9 Answers 9
What is the difference between Trap and Interrupt? If the terminology is different for different systems, then what do they mean on x86? 10 Answers 10
I want to check the operating system (on the computer where the script runs). I know I can use os.system('uname -o') in Linux, but it gives me a message...
I read that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable? If Linux is able to support modules,...
How can I find the OS name and OS version using JavaScript? 17 Answers 17
I need my code to do different things based on the operating system on which it gets compiled. I’m looking for something like this: #ifdef OSisWindows // do Windows-specific...
How do you run a program all by itself without an operating system running? Can you create assembly programs that the computer can load and run at startup, e.g....
Recently, I have been asked a question in an interview what’s the difference between a process and a thread. Really, I did not know the answer. I thought for...
I was just wondering who knows what programming languages Windows, Mac OS X and Linux are made up from and what languages are used for each part of the...