Anything interesting?

Look at the following. My input and output on my console:

fred@fred-laptop:~$ haha
bash: haha: command not found
fred@fred-laptop:~$ test
fred@fred-laptop:~$ ls
bin Desktop fortran mine paper Public Videos
book Documents grb Music PicasaDocuments teach work
course Downloads learn myweb Pictures Templates
fred@fred-laptop:~$

See anything interesting?
Pay attention to the command "test", nothing was out:)