Message-Id: <199710100321.UAA50744@dns.ccit.arizona.edu> Date: Thu, 9 Oct 1997 20:21:21 -0700 From: Mike Betz <mailto:betz@WLN.COM> Subject: Re: . Digitization standards To: mailto:IMAGELIB@LISTSERV.ARIZONA.EDU
If one does not have access to a UNIX box, I would n't be that surprised if there were zipped files elsewhere on the cmu server. files are generally provided in a number of formats, unless what you have downloaded is an executable.Mike Betz mailto:betz@wln.com
On Thu, 9 Oct 1997, Sean Fox wrote:
> >Hi,
> >
> >I need some help in letting me know what type of file format is the file
> >with an extension "tgz", I have downloaded a file obvius.tgz from
> >http://www.cs.cmu.edu/, but now I do not know how to handle the same.
> >
>
> tgz is often sometimes shorthand for tar.gz, which means that a collection
> of files has been combined into one file (using the UNIX tar command) and
> the resultant file has been compress using the GNUZip utility (again, a
> common UNIX tool which is NOT equivalent to the standard PC "pkzip"
> format).
>
> Normally one would take such a file to a UNIX machine and run the following
> sequence of commands:
>
> gunzip obvius.tgz
>
> This would probably create a file called obvius.tar, which could then be
> pulled apart using something like:
>
> tar -xvf obvious.tar
>
> The result would be a collection of files and directories. If you're
> working in a UNIX enviroment your sysadmin should be able to help you with
> that. If you're not working in a UNIX enviroment, it might be worth
> finding out what "obvius.tgz" is supposed to contain and whether it will
> work with whatever hardware/software you do have. If it will then it's
> time to enlist help from some local UNIX guru's, or start looking for
> utilities that will deal with these formats on your computer. (Utilities
> for dealing with these two unix formats do exist for non-UNIX
> computers....)
>
>
> Then again .tgz could stand for something entirely different in this
> context, but given it's origin--CMU's CS department, I suspect it is as
> I've described.
>
> Sean Fox
> Academic Computing Coordinator
> Carleton College
> mailto:sfox@carleton.edu
>