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- From: guy@sun.com (Guy Harris)
-
- I agree with the proposal; these are just some nits.
-
- ...meeting to drop sS10.1 altogether...
-
- The sequence "s^HS" appears here, and in several other places - is
- this intentional or a bizarre result from "nroff"?
-
- [ It's nroff's attempt to produce a section sign. The actual note
- will be formatted with troff, which can handle it. I will incorporate
- your other comments. -mod ]
-
- 4. Hard links are not handled well, since cpio format
- does not record that two files are linked. If two
- files that are linked are written in cpio format, two
- copies will be written. There is an option to the
- cpio program to detect duplicate files by matching
- pairs of (h_dev, h_ino) and producing links, but that
- is done after the fact.
-
- Actually, this is the standard way "cpio" handles hard links; it's
- not an option.
-
- 5. Symbolic links are not handled at all, and no type
- value is reserved for them. This makes cpio useless
- on a large class of historical implementations (those
- based on 4.2BSD or its file system) for one of the
- main purposes of POSIX sS10.1: archiving files for
- later retrieval and use on the same system.
-
- (Another s^HS here) It is possible to extend this format to handle
- symbolic links; we have done this.
-
- [ But remember that what was proposed to P1003.1 was existing System V
- cpio format. -mod ]
-
- ...However, cpio was not available outside AT&T
- before the release of System III, while tar was in
- wide use with Version 7 and is still much more common.
-
- Actually, the old "cpio" was available with PWB/UNIX 1.0, which AT&T
- did release.
-
- Also, it appears that the cpio format of PWB was not
- the same as that of System III. <V11N39 Henry
- Spencer> Although System III and perhaps early
- releases of System V did not include tar, <V11N26
- Joseph S. D. Yao> current releases of System V do.
-
- No, System III and all releases of S5 included "tar".
-
- Volume-Number: Volume 11, Number 45
-
-