Programmer Think

Last updated: February 2, 2022 Write before: Why should I use gentoo It's not because of suffering philosophy. It's not difficult to install Gentoo. It just takes time When I first came into contact with Linux, I chose Gentoo. At first, it was because of the inexplicable pleasure of full screen code scrolling during compilation~ People h ...

I In the linux kernel, the character device is described by the cdev structure, which is located in / include / linux / cdev H medium /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_CDEV_H #define _LINUX_CDEV_H #include <linux/kobject.h> #include <linux/kdev_t.h> #include <linux/list.h> #include <linux/device.h&gt ...

1, Overview 1.1 about Nginx Like Apache, nginx uses modular design. Nginx module includes built-in module and third-party module, in which the built-in module includes main module and event moduleSimply put, both apache httpd and nginx are web servers, but they adapt to different scenarios, that is, they focus on solving different problem ...

First of all, I wish programmers a happy children's Day (* ^ ▽ ^ *) Game learning is useless. Take it home and coax the children OK, don't talk much, go straight to talent! EG Emon, EG Emon, EG Emon, EG Emon (there is a link to the finished game at the end of the article. My favorite little partner has three links with one button) 1. ...

There are three memory allocators in linux: boot memory allocator, partner allocator and slab allocator Partner distributor After the initialization of the system kernel, the page allocator is used to manage the physical pages. When the page allocator is a partner allocator, the partner allocator is characterized by simple and efficient algor ...

Linux learning linux Process Process concept From the perspective of users: a process is a running program. From the perspective of operating system: when the operating system runs a program, it is necessary to describe the running process of the program through a structural task_struct {}, collectively referred to as PCB, so for the oper ...

1. Process knowledge points The process in the operating system is the process of one-time execution of the program and the basic unit of dynamic execution of the operating system; Whenever a new process is created, the operating system will assign a unique identifier to the new process to facilitate subsequent management of the process. The ...

1, Basic knowledge 1 hard disk classification Common disk typesexplainpictureSAS hard disk(Serial Attached SCSI) Serial Attached SCSI interface. Serial attached small computer system interface is a new generation of SCSI technology. Like the popular Serial ATA(SATA) hard disk, it adopts serial technology to obtain higher transmission speed, a ...

Introduction to assembly language Introduction to assembly language 1: Environmental preparation Execution: sudo apt-get update Execution: sudo apt-get install nasm Check: New file: vi t.c int main() { return 0; } New file: first asm global main main: mov eax, 0 ret Compile to generate first file (32-bit system): ...

UNIX Basics reaction to a book or an article: This chapter is an introduction to Unix. The author summarizes the basic knowledge of Unix in concise language and feels that it is written clearly. UNIX architecture Strictly speaking, the operating system can be defined as a kind of software, which controls the computer hardware resourc ...