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Corrected Exercise #1:
1. Explain the following unexpected result:

why did you get the system date command instead of the script?

$ whereis date
date: /bin/date ...
$ echo $PATH
.:/usr/local/bin:/usr/bin:/bin
$ cat > date
echo "This is my own version of date."

$ date
Fri May 22 11:45:49 PDT 2009

*When the author runs the command cat > date assume that he is creating a NEW date file in the current working directory. That file does not exist before that command is run.

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