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find / -name regex -print 2>/dev/null

find  :  the command
/  :  starting from location, in this case, root
-name  :  what to find, in this case, a file name
regex  :  the name we are looking for
-print  :  display the found files on the display.  newer version of find don't need this.
2>/dev/null  :  send any errors (stderr) to the black hole.  (don't display the errors)

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