ssh; secure shell (self explanatory imo).

tmux a; which is run richt after ssh, which is a continuation of your precious session (even if you don't use split panels or extra windows, it's a life saver).

micro; text document editor.

bat; modernised version of cat (though cat still has is purposes).

rsync (with -av flags); replacement for cp.

nostr:npub1gfstmjat7g9c65rvad3axg9lrsht99r2sw2ee3f92uxjvwr69vpqasmwqj do you want more suggestions? ✌️😏