This column looks into projects and current affairs in the world of free software from the perspective of the GNU Project and the FSF. In this issue, we focus on AmavisdNew, a new daemon that operates as a spam filter.

Free software covers such a diverse range of applications that it can be hard to find the perfect tool. We pick the best of the bunch. Our topics this month include elegant presentations, Code Browser, the Debian Installer, and Debian’s Alioth service.

This column looks into projects and current affairs in the world of free software. This month we focus on better security with Firestarter, a tool that helps you set up a firewall. We also look at a distributed computing project for animation or visualization.

sort helps you organize file lists and program

output. And if you like, you can even use this small

but powerful tool to merge and sort multiple files.

Do have difficulty remembering

command syntax? It often pays to

check the manpage. In this issue of

Command Line,we look at how to

create your own manpages,and

how to convert manpages to other

formats.

The command line swings. In this

issue of “Command Line”we investigate

how you can grab tracks from

audio CDs and convert sound files to

other formats. No matter whether

you choose wav,MP3 or Ogg Vorbis,

you can rely on the shell to convert

your files.

The free encyclopedia project, Wikipedia,has compiled no fewer than a million entries in less than four years. And the quality of the entries even surprises experts. But what is Wikipedia and how can you use it? We’ll tell you about the exciting Wikipedia project,and we’ll show you how you can contribute.