# cowsay > Generate an ASCII character (by default a cow) saying or thinking something. - Print an ASCII cow saying "Hello world!": `cowsay "Hello world!"` - List all available characters: `cowsay -l` - 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 ..."`