find.sh

# This command will search in the current directory and all sub directories for a file named rc.conf.
find . -name "rc.conf" -print

# This command will search in the current directory and all sub directories. All files named rc.conf will be processed by the chmod -o+r command. The argument '{}' inserts each found file into the chmod command line. The \; argument indicates the exec command line has ended.
find . -name "rc.conf" -exec chmod o+r '{}' \;

# This command will search in the current directory and all sub directories. All files that contain the string will have their path printed to standard output.
find . -exec grep "www.athabasca" '{}' \; -print