Was going to say /bin/init but your question was too well scoped. So “apt install htop”.

Ls

dmesg

history

w

curl ascii.live/rick

apt install man

I’m not kidding! That man.db is a light in the dark!

sudo tail -f /var/log/cloud-init-output.log

uname -a

sudo apt install mc

ls

ls

[dead]