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In the realm of managing network interfaces on Linux and Unix-like systems, two significant command-line tools reign supreme: ifconfig and ip. Both are essential for network administrators and those interested in network configuration and troubleshoot. Despite their common goals, there are distinct differences between the two, making each uniquely suited to specific tasks. This article explores the functionalities, usage, differences, and transitioning tips from ifconfig to ip. ifconfig, which stands for "interface configurator," is an old utility that has been used since the early days of UNIX. It is used to configure, manage, and query the network interface parameters from the command line.