Introduction to Linux Operating System Configuration and Management

Introduction to Linux Operating System Configuration and Management

This content is derived from the book edited by Teacher Xia Liqin, titled “Linux Network Operating System Configuration and Management”, intended for the teaching of first-year vocational college students. Let’s work hard together for those who want to learn seriously! 1. Course Introduction 1.What is an Operating System An Operating System (Operating System, abbreviated as … Read more

Extensions and Enhancements of Standard C Language by GNU C on Linux

Extensions and Enhancements of Standard C Language by GNU C on Linux

The C compiler available on Linux is the GNU C compiler, which is based on the programming license of the Free Software Foundation, allowing for free distribution. GNU C extends the standard C language with a series of enhancements to improve its functionality. 1. Zero-length and Variable-length Arrays GNU C allows the use of zero-length … Read more

Advanced Embedded C Language: What are Weak Symbols and Weak References?

Advanced Embedded C Language: What are Weak Symbols and Weak References?

I am Lao Wen, an embedded engineer who loves learning.Follow me, let’s become better together! <span><span>__attribute__</span></span> is a compiler directive, essentially a mechanism of <span><span>GNU C</span></span>, which provides certain attributes during declaration that take effect during the compilation phase for diversified error checking and advanced optimization. It is used to modify variables, functions, parameters, methods, … Read more