To find the number of pages and words in a document, you would check the ________

Developing an ADT means that the user of your class does not have to know the details about how the class is implemented. This is known as

a. interface b. implementation c. testing and debugging d. information hiding

Explain the following unexpected result:

$ whereis date date: /bin/date ... $ echo $PATH .:/usr/local/bin:/usr/bin:/bin $ cat > date echo "This is my own version of date." $ ./date Tue May 21 11:45:49 PDT 2013