Finding Needles in Haystacks
One of the most powerful parts of the UNIX operating system is its capability to understand complex and sophisticated regular expressions. Combined with wildcards, it's an entire language for describing just what you're looking for or seeking to match, and the grep command offers just the tool you need in order to exploit this new language.
Task 9.1: Filename Wildcards
 | By now you are doubtless tired of typing every letter of each filename into your system for each example. There is a better and easier way! Just as the special card in poker can have any value, UNIX has special characters that the various shells (the ... |
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