Using sudo to execute commands as root has many advantages over using su to open a new shell as root. What are the advantages? $[$Choose all that apply $]$

$$ a$.$ Whenever you use sudo, you have still a non$-$privileged session after the command, so it is safer to use sudo to avoid mistakes as root

b$.$ The tool sudo is widely available in all Unix systems, but su is only available in Linux distributions

c$.$ All actions performed with sudo are logged and sent to the administrator inbox by default

d$.$ The actions performed with sudo are logged, whereas the commands in a su session are not

e$.$ You do not need root's password to perform the allowed actions with sudo, but you need it to change the session with su