| Link | Description |
| Intel® 64 and IA-32 Architectures Software Developer's Manuals | The best reference for the Intel® architecture |
| POSIX | The POSIX standard |
| Bona Fide OS development | Many documents, tutorials, links and source code for OS development |
| The Operating System Resource Center | Many resource about OS development |
| TABOS operating system | A good "partner" operating system, where I'm developing the TCP/IP stack and the network layer |
| alt.os.development | Newsgroup about OS development |
| Andrea Righi's blog | The Andrea Righi's blog |
| Andrea Righi's forum | The Andrea Righi's forum (italian only, sorry) |
| Linux source code on-line | A good place to browse the Linux source code on-line |
| Kernel-analysis HOWTO | Good document to understand the basis of the Linux kernel |
| CINECA - Interuniversity Consortium | The place where I'm working at this moment (System and Technology Department) |