Pretend your shell is MS-DOS command.com

export PROMPT_COMMAND=$PROMPT_COMMAND'; export PWD_UPCASE="${PWD^^}"'; export PS1='C:${PWD_UPCASE//\\//\\\\}>'
(This may be specific to bash only.) This transforms the current working directory to all uppercase characters and replaces forward slashes with backslashes, prepending the string with "C:" and appending a single ">". It serves no practical purpose, but may serve as a great practical joke if you can insert it to some victim's .bashrc :-)
Sample Output
C:\>pwd
/
C:\>

0
By: chungy
2012-04-30 20:09:49

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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