nonsense text:

tr -dc a-z1-4 </dev/urandom | tr 1-2 ' \n' | awk 'length==0 || length>50' | tr 3-4 ' ' | sed 's/^ *//' | cat -s | tr -s ' ' | fmt | head -50

random password

head /dev/urandom | tr -dc A-Za-z0-9 | head -c 16 ; echo ''