AFFIRMATION
This Apache Web Server is running under GNU / Debian Linux.
All available network servers, clients and software,
basic system, development and computational software
and other pertinent tools are free software.

Computational server THUNDER is intended to solve numerical and other
mathematical problem arising from physical research of Dpt. of Optics.
User account is necessary for using this server!
Server is maintained and user accounts are supervised by nathan@thunder.upol.cz.
Particular information about hardware and software equipment, user account
acquirement and `discretions and duties' of users are accessible on special page.