xcowsay

Display a cute cow and message on your Linux desktop. The cow is displayed for either a fixed amount of time, or an amount of time calculated from the size of the text. Click on the cow to dismiss it immediately. More information: https://www.doof.me.uk/xcowsay/.

• Display a cow saying “hello, world”:

xcowsay "hello, world"

• Display a cow with output from another command:

ls | xcowsay

• Display a cow at the specified X and Y coordinates:

xcowsay --at=X,Y

• Display a different sized cow:

xcowsay --cow-size=small|med|large

• Display a thought bubble instead of a speech bubble:

xcowsay --think

• Display a different image instead of the default cow:

xcowsay --image=path/to/file