<br><br><div class="gmail_quote">2008/5/5 冯志胜 <<a href="mailto:fzhsheng@gmail.com">fzhsheng@gmail.com</a>>:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> I know how to set the environment variables. but i am curious that how the fedora core 8 works: <br>when type:<br> echo $LD_LIBRARY_PATH, </blockquote><div> </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> It echos nothing: in other words, there's no this variable at all.<br></blockquote><div>But the OS can always find the .so files, if they are in common path.<br>who can tell me how can it find? <br><br>Thank you.<br></div> </div><br>