Bing found these results
RHEL5,6,7,8,9で変更された主要まとめ #初心者 - Qiita
Understanding and Configuring Linux Network Interfaces
Linux Show / Display Available Network Interfaces - nixCraft
ifconfig – Display network interfaces and IP addresses
How to Find out the IP address assigned to eth0 and display ...
How to use ifconfig command in Linux
Working with Linux TCP/IP Network Configuration Files
Unix Commands Cheat Sheet: All the Commands You Need ...
What is Ifconfig - XPS
Changing the MTU Size Permanently in Linux | Baeldung on ...