About tar and gzip


Some data files are combined by tar command and it has 'tar' suffix. Also some files are compressed by gzip command and it has 'gzip' suffix. Ordinarily our data files are combined by tar command and compressed by gzip command. And they have 'tar.gz' suffix. Extract and decompress them by way shown below.

For UNIX users
1. Extract tar file

Execute the command below,

tar xvf XXXXX.tar

and you can get extracted files in current direcotry.

2. Decompress gzip file

Execute the command below,

gzip -d XXXXX.gz

and you can get decompressed files in current direcotry.

Gzip is a free archive utility presented by GNU project. If your machine does not have gzip installed, ask to administrator of your machine.


For Windows users

1. Extract and decompress tar&gzip file

Use your kind of free/share utility to extract and decompress tar&gzip file.

We recommend WinZip(shareware), Lhaplus(freeware) or Lhaca(freeware).

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