# cowsay > Print ASCII art (by default a cow) saying or thinking something. > More information: . - Print an ASCII cow saying "hello, world": `cowsay "{{hello, world}}"` - Print an ASCII cow saying text from stdin: `echo "{{hello, world}}" | cowsay` - List all available art types: `cowsay -l` - Print the specified ASCII art saying "hello, world": `cowsay -f {{art}} "{{hello, world}}"` - Print a dead thinking ASCII cow: `cowthink -d "{{I'm just a cow, not a great thinker...}}"` - Print an ASCII cow with custom eyes saying "hello, world": `cowsay -e {{characters}} "{{hello, world}}"`