If you plan on using union mounts, then you should consider replacing
three files in "libc/gen" in the C library with the files in "libc"
in this directory. The replacement version of opendir() automatically
removes duplicate names when a union stack is encountered. The other
two files do special handling of whiteouts. You will then need to
rebuild the C library and all commands.
@(#)README 8.2 (Berkeley) 11/4/94
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