如何获取笔记本电脑的 MAC 地址？我知道我必须输入ifconfig，但我没有看到“HWaddr”行。\n这是我的输出：
$ sudo ifconfig\nenp3s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500\n ether 28:d2:44:e8:30:6a txqueuelen 1000 (Ethernet)\n RX packets 0 bytes 0 (0.0 B)\n RX errors 0 dropped 0 overruns 0 frame 0\n TX packets 0 bytes 0 (0.0 B)\n TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0\n\nlo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536\n inet 127.0.0.1 netmask 255.0.0.0\n inet6 ::1 prefixlen 128 scopeid 0x10<host>\n loop txqueuelen 1000 (\xd0\x9b\xd0\xbe\xd0\xba\xd0\xb0\xd0\xbb\xd1\x8c\xd0\xbd\xd0\xb0\xd1\x8f \xd0\xbf\xd0\xb5\xd1\x82\xd0\xbb\xd1\x8f (Loopback))\n RX packets 346 bytes 25136 (25.1 KB)\n RX errors 0 …