The ETQW-client-1.1.r8.x86.run file you have requested: Official Demos / Enemy Territory: QUAKE Wars Linux v1.1 Demo - 17.86mb is not available. Perhaps try browsing all files for the game Enemy Territory: Quake Wars and upload any files you want to share or are missing. This is the only information we could locate:
This is the Linux version of the Enemy Territory: Quake Wars demo. It's 20MB in size and requires people to copy over the media pak files from the Windows PC version of the game.