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040000 tree d3902138814f1e02d2d19f8dea46d20fe1160029	bsd
040000 tree fcd819af49ae29973c8550faf03c60fa71df8fc2	linux
040000 tree cad1b0a16b15f6ff619cb3bb61b2b6c17b1f25ea	posix
040000 tree 2e6e7d4a99fd35c5cf0482d556a9efbcafb48af4	solaris
040000 tree 9509cda9df7b5b2219341d60e7f2778983d8fe69	windows