Date: Sat, 29 Jul 2000 13:40:53 +1000 (EST) From: "Michael Henry" <mhenry@staff.cs.usyd.edu.au> To: freebsd-questions@freebsd.org Subject: tar(1) file format Message-ID: <20000729034100.0482637B819@hub.freebsd.org>
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Hi,
I'm looking for resources on the tar file format.
So far the only information I've been able to find is
stuff on GNU tar, which is also the only implementation
of tar I've been able to find. I searched the FreeBSD
repository but it seems the only tar we've ever had is
GNU tar.
The pax(1) command supports several file formats, and on
it's manpage is says the following of tar:
tar The old BSD tar format as found in BSD4.3. The default
blocksize for this format is 10240 bytes. Pathnames
stored by this format must be 100 characters or less in
length. Only regular files, hard links, soft links, and
directories will be archived (other file system types are
not supported). For backwards compatibility with even
older tar formats, a -o option can be used when writing an
archive to omit the storage of directories. This option
takes the form:
-o write_opt=nodir
Is the source still hanging around for the tar used in 4.3BSD?
Any pointers appreciated.
Thanks in advance,
Michael
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