Telnet, ifconfig, and netstat, and more, all have better replacements.
SSH provides remote, text-based access to Unix systems. It is a secure replacement for Telnet, with several additional features. Pre-requisites for remote access Duo: You will need to have Duo set up.
OpenSSH 10.4 fixes several security vulnerabilities in SSH, SCP, and SFTP. It also includes protocol enhancements and experimental post-quantum signatures.