UFW(Uncomplicated Firewall)是 Ubuntu 系统中预装的一款防火墙管理工具。它设计简洁,本质上是一个 iptables 的前端,为用户提供了一个更友好、更直观的方式来管理 iptables 规则。
Consider a simple structure: struct abc { int a; char b; } I got some value in a variable defined as its structure, and now I want to print the below.