$ shuf /usr/share/dict/words | head -n4
Zygopterides
frenulum
unexuberant
delightsome
$ wc -l /usr/share/dict/words
235886 $ shuf /usr/share/dict/words | head -n4
Zygopterides
frenulum
unexuberant
delightsome
$ wc -l /usr/share/dict/words
235886 $ # No need to use head. Also, I prefer output on one line.
$ shuf -n4 /usr/share/dict/words | xargs
limper mastoplastia highfaluting BobbiniteWas my password "hospitium taxonomy pellagra" or "hospitalism taxonomy pellagra"?