To install publCIF, simply place the archive where you wish to
install (e.g. your home directory if it is only for your use,
or a system directory such as /usr/local/ to enable all users
to run publCIF).

Then unpack the archive using either an appropriate graphical
tool, or the command line (this may require the root password):
e.g. change directory to desired location:

        cd /home/username

then type:

        tar -xzvf ./publcif_linux_X.X.XX.tar.gz

(where X.X.XX corresponds to the version you have downloaded)

You should now have a folder called xpublcif containing
the publcif application files.

To launch publCIF, type:

        ./publcif

at the command prompt (having changed directory to
the xpublcif directory), or simply click the publcif executable.

To make publCIF more readily accessible, you may wish
to associate CIF files to open with publCIF
(usually by selecting a CIF file in e.g. Konqueror and
choosing 'Open with...' from the mouse popup
menu, and specifying the location of publcif).