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Re: dmp files

From: Billy Verreynne <vslabs_at_onwe.co.za>
Date: Thu, 17 Oct 2002 11:06:37 +0200
Message-ID: <aoluk4$ok5$2@ctb-nnrp2.saix.net>


Tommy wrote:

>> Assuming you mean by transfer, you used FTP?
>>

>
> No i used tape to transfer, more specifically the cpio command.

Sheez, why did you not say that? :-)

Better yet, why did you not do a man on cpio? ==
cpio supports the following archive formats: binary, old ASCII, new ASCII, crc, HPUX binary, HPUX old ASCII, old tar, and POSIX.1 tar. The binary format is obso­lete because it encodes information about the files in a way that is not portable between different machine architectures. The old ASCII format is portable between different machine architectures, but should not be used on file systems with more than 65536 i-nodes. The new ASCII format is portable between different machine architectures and can be used on any size file system, but is not supported by all versions of cpio; currently, it is only supported by GNU and Unix System V R4.

The crc format is like the new ASCII format, but also contains a checksum for each file which cpio calculates when creating an archive and verifies when the file is extracted from the archive. The HPUX formats are provided for compatibility with HPUX's cpio which stores device files differently.

The tar format is provided for compatability with the tar program. It can not be used to archive files with names longer than 100 characters, and can not be used to archive "special" (block or character devices) files. The POSIX.1 tar format can not be used to archive files with names longer than 255 characters (less unless they have a "/" in just the right place).

By default, cpio creates binary format archives, for compatibility with older cpio programs. When extracting from archives, cpio automatically recognizes which kind of archive it is reading and can read archives created on machines with a differ­ ent byte-order. ==

What were the cpio parameters that you used? And should this thread not be in some Unix group instead?

--
Billy
Received on Thu Oct 17 2002 - 04:06:37 CDT

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