loop txqueuelen 1000 (Local Loopback) RX packets 586 bytes 54327 (54.3 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 586 bytes 54327 (54.3 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 查询用户名: 可以使用以下命令来查看当前登录的用户名和主机名: whoami# 查看当前...