Task1、Introduction
Topic： No one knows everything. In the field of information security, there will never come a point where you don't need to look things up.
Task2、
Task3、Vulnerability Searching
漏洞查询网站：
CVE 的形式：CVE-YEAR-IDNUMBER
Task3、Manual Pages
学会查找手册：man命令
关键字查询：man 指令 | grep -e "keywords"
举例：
Task4、Final Thoughts
Any information can potentially be useful！