Most processors support at least two execution modes:
non-privileged state and Called user mode, user programs usually run in this mode
Kernel mode refers to the kernel of the operating
Tag: Operating System
Operating system – Why is the address of the variable remains the same in the modified Fork () system call
Please consider the following code snippet.
if (fork() == 0)
{
a = a + 5;
printf(“%d, %d
“, a, &a);
}
else
{
a = a-5;
printf (“%d, %d
“, a,& a);
} AFAIK, when creating fork(), the paren
Operating system development – start using QEMU from floppy drive
I have been reading BrokenThorn’s operating system development tutorial, I am creating and loading the second stage boot loader. This tutorial is for Windows, but I am doing this in Linux (Ubuntu 1
Operating system – How does the operating system perform compilation binaries?
When I studied process scheduling, this question came to my mind.
How does the operating system execute and control the execution of binary files and compiled files ? I think the OS may copy
Audio – How to use the direct write mode to write a simple SoundBlaster 16 driver for a hobby operating system?
I am developing a 32-bit, protected mode hobby operating system. Currently, I want to add simple sound support. For this, I want to use Sound Blaster 16 and write in direct mode Into the DAC (I wan
Install the operating system using COBBLER batch
Personal blog address:http://www.pojun.tech/Welcome to visit Foreword< /h1> In actual production, We often encounter such a situation that we need to install dozens or even hundreds of servers at
Operating System – Minimum Page Framework
What determines the minimum number of page frames that must be allocated to a running process in a virtual memory environment.
I found that the answer to the above question is instructions Ge
Memory – Is there a bandwidth improvement on the 64-bit computer installation?
Knuth recently objected to 64-bit systems, saying that for programs that fit 4 GB of memory, “they effectively discarded half of the cache” because pointers are twice that of 32-bit systems. < p>
How do you specify a topic for WPF and use host operating system topics?
Is there a way not to specify a theme for WPF, just let it default to what the operating system uses? For this reason, I still prefer Winforms. WinForm applications feel professional, down to earth
[Transfer] The difference between the statue of the status of the operating system and the non-real-time operating system
Original blog address: http://www.voidcn.com/article/p-eclzjybw-bpr.html
For real-time operating systems (RTOS) and non-real-time operating systems, you How many can be listed separately?
R