cowsay

Generate an ASCII character (by default a cow) saying or thinking something. More information: https://github.com/tnalpgge/rank-amateur-cowsay.

Print an ASCII cow saying "Hello world!":

cowsay "Hello world!"

Use text from standard input for the balloon:

echo "Hello!" | cowsay

List all available characters:

cowsay -l

Print an ASCII dragon saying "Hello!":

cowsay -f dragon "Hello!"

Print a stoned thinking ASCII cow:

cowthink -s "I'm just a cow, not a great thinker ..."