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A comment on The Earliest Unix Code: An Anniversary Source Code Release. Parent comment

Re:The Earliest Unix Code: An Anniversary Source Code Release by microtherion on Thursday October 17, 2019 @09:37PM (#21287917)
Maurice Bach, "The Design of the UNIX Operating System", on page 73 describes the format of directory entries: https://archive.org/details/DesignOfTheUnixOperatingSystemBy...

"Directory entries may be empty, indicated by an inode number of 0".

So if the pseudo-code is correct, this may be an utility to squeeze out those empty entries.

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