Top "Operating-system" questions

An operating System (OS) is a basic software whose role is to be an abstract layer between software requisitions for resources and the hardware available, manage input/output, memory allocation/deallocation, file systems, among other basic tasks a device (not necessarily a computer) should do.

Difference between multitasking, multithreading and multiprocessing?

Whats the difference between multitasking, multiprogramming & multiprocessing This comes regularly for my university OS exams and I can't find …

multithreading operating-system multiprocessing multitasking
How do I set a Windows scheduled task to run in the background?

Does anyone know how to set a scheduled task to run in background using Windows Task Scheduler? There doesn't seem …

windows background operating-system scheduled-tasks administrator
What is the difference between user and kernel modes in operating systems?

What are the differences between User Mode and Kernel Mode, why and how do you activate either of them, and …

operating-system
What is an OS kernel ? How does it differ from an operating system?

I am not able to understand the difference between a kernel and an operating system. I do not see any …

kernel operating-system
How to run regasm.exe from command line other than Visual Studio command prompt?

I want to run regasm.exe from cmd. which is available in c:\windows\Microsoft.net\framework\2.057 I do like …

.net c++ visual-c++ command-line operating-system
Running windows shell commands with python

How can we interact with OS shell using Python ? I want to run windows cmd commands via python. How can …

python windows operating-system shell
Maximum number of processes in linux

What is the maximum limit to the number of processes possible in a linux system? How can we find it ?

linux process operating-system
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 …

x86 operating-system kernel interrupt cpu-architecture
Context.startForegroundService() did not then call Service.startForeground()

I am using Service Class on the Android O OS. I plan to use the Service in the background. The …

android service operating-system foreground android-8.0-oreo
How to make parent wait for all child processes to finish?

I'm hoping someone could shed some light on how to make the parent wait for ALL child processes to finish …

c process operating-system fork posix