6 ms·I use </dev/urandom tr -dc 23456789~*@#$%_+-=qwertQWERTasdfgASDFGzxcvbZXCVB | head -c13; echo ""by known 7y agoI use </dev/urandom tr -dc 23456789~*@#$%_+-=qwertQWERTasdfgASDFGzxcvbZXCVB | head -c13; echo ""