What is the difference between user variables and system variables?
What is the difference between user variables such as PATH, TMP, etc. and system variables? I accidentally deleted the user variable PATH. What … Read more
operating-system
Programmatically get the cache line size?
All platforms welcome, please specify the platform for your answer. A similar question: How to programmatically get the CPU cache page size in … Read more
What is the difference between Trap and Interrupt?
What is the difference between Trap and Interrupt? If the terminology is different for different systems, then what do they mean on x86? … Read more
How do I check the operating system in Python?
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, … Read more
Why is Linux called a monolithic kernel?
I read that Linux is a monolithic kernel. Does monolithic kernel mean compiling and linking the complete kernel code into an executable? If … Read more
How to find the operating system details using JavaScript?
How can I find the OS name and OS version using JavaScript? 17 Answers 17
How do I check OS with a preprocessor directive?
I need my code to do different things based on the operating system on which it gets compiled. I’m looking for something like … Read more
How to run a program without an operating system?
How do you run a program all by itself without an operating system running? Can you create assembly programs that the computer can … Read more
What resources are shared between threads?
Recently, I have been asked a question in an interview what’s the difference between a process and a thread. Really, I did not … Read more
What languages are Windows, Mac OS X and Linux written in?
I was just wondering who knows what programming languages Windows, Mac OS X and Linux are made up from and what languages are … Read more