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Annotation of researchv10dc/dist/man/v4/man5/dir.5, revision 1.1

1.1     ! root        1: .th DIRECTORY V 9/10/73
        !             2: .sh NAME
        !             3: dir \*- format of directories
        !             4: .sh DESCRIPTION
        !             5: A directory
        !             6: behaves exactly like an ordinary file, save that no
        !             7: user may write into a directory.
        !             8: The fact that a file is a directory is indicated by
        !             9: a bit in the flag word of its i-node entry.
        !            10: Directory entries are 16 bytes long.
        !            11: The first word is the i-number of the file represented
        !            12: by the entry, if non-zero; if zero, the entry is empty.
        !            13: .s3
        !            14: Bytes 2-15 represent the (14-character)
        !            15: file name, null padded on the right.
        !            16: These bytes are not cleared for empty slots.
        !            17: .s3
        !            18: By convention, the first two entries in each directory
        !            19: are for ``\fB.\fR'' and ``\fB..\fR''.  The first is an entry for the
        !            20: directory itself.  The second is for the parent
        !            21: directory.
        !            22: The meaning of ``\fB..\fR'' is modified for the root directory
        !            23: of the master file system and for the root directories of removable
        !            24: file systems.
        !            25: In the first case, there is no parent, and in the second,
        !            26: the system does not permit off-device references.
        !            27: Therefore in both cases ``\fB..\fR'' has the
        !            28: same meaning as ``\fB.\fR''.
        !            29: .sh "SEE ALSO"
        !            30: file system (V)

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