NASA Logo, National Aeronautics and Space Administration

National Aeronautics and Space Administration

Goddard Space Flight Center

Astrophysics Science Division | Sciences and Exploration

This website is kept for archival purposes only and is no longer updated.

Decompressing the CIO files

Suggestions for: [UNIX] [Windows] [Macs]
UNIX users: The Catalog data has been archived with the "tar" command (1-5 files per .tar file) and compressed with the "compress" command. Check with your system administrator if you have questions about downloading and/or decompressing the files.

PC users: If you are using Windows, the utility WinZip can handle .tar.Z files very nicely. The following procedure works in versions 5.6 or later:

  1. Download file (specify "Save to Disk" if necessary). When prompted, give the file the extension .taz or .tar (e.g. cio1.tar - WinZip version 6.1 seems to work better with the .tar extension).
  2. Open file with WinZip. You will see a message such as "Compressed file contains one file: cio1.tar. Should WinZip decompress it to a temporary directory and open it?"
  3. If you say "yes", WinZip displays the files archived in cio1.tar. Click the Extract button and tell WinZip to extract the files to the directory you wish. If you put a checkmark beside "Use folder names", a subdirectory called \ciov5.0 will be created under the chosen extract directory and the files will appear there.

WinZip is available for Windows 95/98/NT and Windows 3.1 from Winzip's home page. It is shareware and should be registered after an evaluation period.

MAC users: The shareware application Stuffit Expander can decode UNIX compressed files while the freeware program Suntar can extract files from tar archives. Both are available from any mirror site of the Stanford Macintosh archives, such as the searchable Info-Mac Hyperarchive. (Thanks to Dr. Harvey J. Cohen for this information.)

To top of page

Last modified: December 4, 2000

[HOME] CIO Homepage