SheeEttin writes: "If you've been longing to play games from Steam on your Linux machine, you may not have to wait much longer--the Left 4 Dead demo includes some Linux libraries, in particular, one named "steamclient_linux.so". While the full release game does not include these libraries, their apparently accidental inclusion in the demo suggests that Steam games will have native Linux clients in the near future. (A job listing at Valve looking for someone whose responsibilities would include "Port[ing] Windows-based games to the Linux platform" would seem to support this.) The libraries also include several strings nonessential to a pure server, including references to forgotten passwords. Hopefully, this would indicate that at least some Valve-affiliated games will have native Linux clients."