There is a patch for Wing Commander Saga Darkest Dawn.. if u need it. While Mac and linux version are still being worked on, linux users can play the game using wine according to this article.
Patch Notes – March 27, 2011
Addressed an issue that was causing launcher to not save sound device properly on some systems.
Added tooltips for autopilot and glide usage.
Alternative mouse steering is now available. You can choose between the WC and FS controls depending on your personal preference.
Losing the TCS Aurora would block the game’s progress. This has been addressed.
WCS Patch v1.1.0.7822
4.2 MiB - 495 downloads
WCS The Darkest Dawn
2.0 GiB - 955 downloads