To view a COMET case study, you must do the following:
1) Ensure you have enough space to download the data you intend to display. You will find space requirements on the Case Summary page for each case. In general, each case will have between 1 and 3 GB of data, of which you can extract all or part of at any time.
2) Make sure you are in the directory where you wish to place the data; for SOOs this is most likely /usr1/metdat. At your system prompt, type:
pwd <enter>
This will tell you your current directory. You may then want to see how much space you have available by typing:
df (on other UNIX machines) <enter>
This will show you the currently mounted disks, their capacities, and how much space is available.
3) Then you can begin extracting the data. The data directories are described more fully in Part II - Case Data Description. The data on each case tape has been written using UNIX "tar" (short for tape archive), a sequential technique. In general, there will be more than one "tar" file per tape. The first tar file will always be the documentation (installation instructions and case-specific information). In order to view the table of contents of this documentation you can type:
tar -tvf /dev/rmt/<device name> <enter>
This will list all the contents of the first tar file on your screen without extracting the information in the tar file. If you wish to extract the first tar file, type: tar -xvf /dev/rmt/<device name> <enter>
This will extract the documentation tar file. It will contain text files that can be viewed using the "more" or "pg" command, and postscript formatted files (.ps) that you can print if you have a postscript printer.
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