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040000 tree c9234b275bc134ab29089698bc3cb2f22e934553	cygwin
040000 tree 802eb443c01e2f970a1e3bbcd99e65b78d168424	darwin
040000 tree 8bbc076e2a12ce51456cbe1cdfd7953e7308349e	freebsd
040000 tree 87fb20c7ad964a994308da3bb0579dba8ddd60b1	linux
040000 tree 1126a93b9531c155ca9f704ecdfc5aee4112d7f0	msdos
040000 tree 01d2897ff98ba439d2552ad67624ec8a5b9b71a9	windows