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                            - nmap
    網絡掃描命令
- lsof
    全名list open files，也就是列舉系統中已經被打開的文件。
- mail
    發送和接收郵件
- mutt
    郵件管理命令
- nslookup
    交互式查詢互聯網DNS服務器的命令。
- dig
    查找DNS解析過程。
- host
    查詢DNS的命令。
- traceroute
    追蹤數據傳輸路由狀況。
- tcpdump
    命令行的抓包工具
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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