C Language and Unix: A Golden Partnership that Changed the World

C Language and Unix: A Golden Partnership that Changed the World

If C is a sharp sword, then Unix is the marble waiting to be sculpted. In the history of computing, few languages and operating systems have a relationship as close as C and Unix. They not only complement each other but also lay the foundation for the modern information society. Today, let’s talk about:The Story … Read more

C++ Competition Daily Problem – Day 816

C++ Competition Daily Problem - Day 816

Today is the 816th day of learning programming with a slightly cold rain! Hello, everyone! This is the CSP 2024 Group J Preliminary Exam Questions. Day 816 CSP 2024 Group J Preliminary Exam Questions Multiple Choice Question Question 10 Which of the following is not the name of an operating system? ( ) A. Notepad … Read more

How Proficient Should You Be in Embedded Systems to Get a Job?

How Proficient Should You Be in Embedded Systems to Get a Job?

C Language FundamentalsIn embedded development, C language is the “heavyweight champion.” To find a job related to embedded systems, you must master C language proficiently. From basic syntax and data types to pointers, arrays, and functions, you need to understand these concepts thoroughly. For instance, pointers are essential in embedded development, whether for memory manipulation … Read more

Is the Design of the Linux Kernel Outdated?

Is the Design of the Linux Kernel Outdated?

(Click the public account above to quickly follow) Compiled by: Open Source China www.oschina.net/news/84807/is-linux-kerne-design-outdated The achievements of Linux over the years are undeniable. However, recently, a topic was raised on Reddit asking whether the design of the Linux kernel is outdated, which garnered some interesting responses. The user Ronis_BR posed the question as follows: Linux … Read more

In-Depth Comparison and Selection Guide for Linux and Windows Operating Systems

In-Depth Comparison and Selection Guide for Linux and Windows Operating Systems

In-Depth Comparison and Selection Guide for Linux and Windows Operating Systems In the wave of digitalization, operating systems serve as the core essence of computers, directly influencing our user experience and work efficiency. Today, we will delve into the differences between the two mainstream operating systems—Linux and Windows—and how to make a more suitable choice … Read more

Embedded Software Interview – Operating Systems: 1 – What is Priority Inversion and How to Resolve It

Embedded Software Interview - Operating Systems: 1 - What is Priority Inversion and How to Resolve It

1. What is Priority Inversion? A high-priority task is indirectly blocked by a low-priority task, causing a medium-priority task to execute before the high-priority task, which violates the original intention of priority scheduling. 2. Example Illustration Assume there are three tasks: High Priority Task (High) Medium Priority Task (Medium) Low Priority Task (Low) The process … Read more

Interesting Facts About Linux

Interesting Facts About Linux

Reprinted from “The Beauty of Algorithms and Mathematics”. 1. Everyone with the surname Torvalds is related to LinusLinus was born in 1969 in Finland, and his name is derived from the Nobel Prize-winning chemist and peace laureate Linus Pauling. You may have encountered some people named Linus, but there are very few with the surname … Read more

Academician Wu Hequan: Industrial Control Systems are the Key Challenge of the Industrial Internet

Academician Wu Hequan: Industrial Control Systems are the Key Challenge of the Industrial Internet

On the afternoon of July 5, the 2023 Global Digital Economy Conference’s Industrial Internet Innovation Development Forum was successfully held in Beijing. This forum was organized by the Global Digital Economy Conference Organizing Committee, hosted by the Beijing Software and Information Service Industry Association, supported by the Beijing Association for Science and Technology, and co-organized … Read more

Linux Guide (Seventeen): Disk Partitioning

Linux Guide (Seventeen): Disk Partitioning

Disk partitioning is a core concept in computer storage management. In simple terms, it involves dividing a physical hard drive (HDD) or solid-state drive (SSD) into multiple independent logical areas, each of which can be managed, formatted, and used separately. This division does not alter the physical structure of the hard drive but allows the … Read more

Linux Surpasses 5% Market Share in the U.S. for the First Time – A Significant Milestone

Linux Surpasses 5% Market Share in the U.S. for the First Time – A Significant Milestone

Who would have thought that after being overlooked for decades, Linux has quietly broken through the 5% market share barrier! 📊 According to Statcounter data: As of June 2025, Linux’s market share in the U.S. officially surpassed 5.03% Meanwhile, statistics from U.S. government websites show that the proportion of Linux users has increased from 4.5% … Read more