# cowsay > Generate an ASCII character like a cow or sheep saying or thinking something. > Available characters are stored in the /usr/share/cowsay on Linux. > And /usr/local/share/cows/ on Mac. - Print an ASCII cow saying "Hello world!": `cowsay "Hello world!"` - Print an ASCII dragon saying "Hello!": `echo "Hello!" | cowsay -f dragon` - Print a stoned thinking ASCII cow: `cowthink -s "I'm just a cow, not a great thinker ..."` - Print out a list of all characters with cowsay: `ls -1 {{cowsay_character_directory}} | rev | cut -c 5- | rev | xargs -I _ cowsay -f _ cowsay -f _`