Where is whalesay container

Docker
#1

I am using Docker Desktop on Windows.
I just ran a couple of docker run commands,

docker run docker/whalesay cowsay boo

And

docker run -d -p 80:80 docker/getting-started

I can see the whalesay output on the console. I can also see the images available on my machine.
However I do not see any containers running for the whalesay image? Why is this so?

C:\Users\Admin>docker images
REPOSITORY               TAG                 IMAGE ID            CREATED             SIZE
docker/getting-started   latest              67a3629d4d71        6 months ago        27.2MB
hello-world              latest              bf756fb1ae65        16 months ago       13.3kB
docker/whalesay          latest              6b362a9f73eb        5 years ago         247MB

C:\Users\Admin>docker ps
CONTAINER ID        IMAGE                    COMMAND                  CREATED             STATUS              PORTS                NAMES
99d7dcd54aa3        docker/getting-started   "/docker-entrypoint.…"   19 minutes ago      Up 19 minutes       0.0.0.0:80->80/tcp   flamboyant_solomon

C:\Users\Admin>docker run docker/whalesay cowsay HelloWorld
 ____________
< HelloWorld >
 ------------
    \
     \
      \
                    ##        .
              ## ## ##       ==
           ## ## ## ##      ===
       /""""""""""""""""___/ ===
  ~~~ {~~ ~~~~ ~~~ ~~~~ ~~ ~ /  ===- ~~~
       \______ o          __/
        \    \        __/
          \____\______/

C:\Users\Admin>docker ps
CONTAINER ID        IMAGE                    COMMAND                  CREATED             STATUS              PORTS                NAMES
99d7dcd54aa3        docker/getting-started   "/docker-entrypoint.…"   19 minutes ago      Up 19 minutes       0.0.0.0:80->80/tcp   flamboyant_solomon
#2

Never mind, I got it,

C:\Users\Admin>docker ps -a
CONTAINER ID        IMAGE                    COMMAND                  CREATED             STATUS                      PORTS                NAMES
43f0a375dcf6        docker/whalesay          "cowsay HelloWorld"      10 minutes ago      Exited (0) 10 minutes ago                        sharp_wu
5dc4154463ce        docker/whalesay          "cowsay boo"             15 minutes ago      Exited (0) 15 minutes ago                        confident_mendeleev
99d7dcd54aa3        docker/getting-started   "/docker-entrypoint.…"   29 minutes ago      Up 29 minutes               0.0.0.0:80->80/tcp   flamboyant_solomon
f9c90e086627        hello-world              "/hello"                 6 months ago        Exited (0) 6 months ago                          musing_euler
12ba42182b23        docker/getting-started   "/docker-entrypoint.…"   6 months ago        Exited (255) 6 months ago   0.0.0.0:80->80/tcp   adoring_visvesvaraya

So container got created and then terminated as the CMD had finished its job

#3

@shirmukherjee
Great!