ifconfig in short “interface configuration” utility for system/network administration in Unix/Linux operating systems to configure, manage and query network interface parameters via command line interface or in a system configuration scripts.

The “ifconfig” command is used for displaying current network configuration information, setting up an ip address, netmask or broadcast address to an network interface, creating an alias for network interface, setting up hardware address and enable or disable network interfaces.

This article covers “15 Useful “ifconfig” Commands” with their practical examples, that might be very helpful to you in managing and configuring network interfaces in Linux systems.

Full article here:
15 Useful “ifconfig” Commands to Configure Network Interface in Linux (Tecmint)