NavigationIn this lesson, I will introduce your first three commands: pwd (print working directory), cd (change director

Why Bother?Why do you need to learn the command line anyway? Well, let me tell you a story. A few years ago we had a pro

本文用一个「双线程、双互斥锁、加锁顺序相反」的最小示例，演示如何用 gdb attach 定位程序死锁。死锁是并发编程里最棘手的问题之一，通过这个例子可以掌握一套通用的分析思路：先看线程与栈回溯（backtrace），再顺着栈找到等待的锁，

What Is “The Shell”?Simply put, the shell is a program that takes commands from the keyboard and gives them to the opera

GDB 是 GNU 发布的、运行在 UNIX/Linux 下的命令行调试器，也是 Linux 下 C/C++ 程序员必不可少的工具。它的命令很多，但日常调试只需掌握其中约十个。本文先从一个完整的调试过程讲起，再延伸介绍 pstack、str