shell小练习 job1:检索本机的IP、NETMASK、MAC地址、广播地址 1 2 3 4 IP: 172.20.10.3 NetMask: 255.255.255.240 Broadcast: 172.20.10.15 MAC Address: 00:0c:29:8d:49:ea job2:将系统中所有普通用户的用户

shell小练习答案 job1:检索本机的IP、NETMASK、MAC地址、广播地址 1 2 3 4 IP: 172.20.10.3 NetMask: 255.255.255.240 Broadcast: 172.20.10.15 MAC Address: 00:0c:29:8d:49:ea 1 2 3 4 ifconfig eth0 | grep inet | tr -s " " | cut