chmod octet 777 vs -R ugo+rwx ??? Difference

 chmod -R 777 /efs  is not safer

chmod -R ugo+rwx /efs is safer - Does not override SETUID AND SETGID BITS - Just Appends permissions

https://unix.stackexchange.com/questions/296675/is-chmod-r-ugorwx-safer-than-chmod-r-777

sudo tee -a

Append text when using sudo

echo '104.20.186.5 www.cyberciti.biz' | sudo tee -a /etc/hosts