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^^ How do I do a recursive grep?

   1. Method 1 (recommended)
         1. /usr/bin/find . | /usr/bin/xargs /usr/bin/grep PATTERN
         2. displays filename:match 
   2. Method 2 (recommended)
         1. /usr/bin/find . -exec /usr/bin/grep PATTERN {} /dev/null \;
         2. displays filename:match