Having a digital ISDN telephone connection lets you easily integrate Fax and Answering Machine functionality into your Linux server. SuSE (and Debian) distribute a package called Capisuite for this purpose. You will also need a supported ISDN card (an AVM Fritz card is inexpensive and works).
Hm, didn't work for me, so I followed the "domain configuration way". But that's maybe interesting for others: "Accessing Windows Or Samba Shares Using AutoFS".
When system performance on Linux is affected by using too many file descriptors, usually an error can be seen in the log file '(Too many open files)'. Although this affects the entire system, it is a fairly common problem.
This is a guide to running Linux with the Dell XPS M1710 notebook. The XPS M1710 is a very high end notebook with a big screen and fast components. It is also very heavy. Linux support is top notch.