A good introduction to some useful features of awk. I don't use Unix tools like this nearly as much as I could/should.

Useful tips on installing and configuring Alpine on Mac OS X.

This looks like a really interesting project: a pure Ruby shell. I don't write Unix shell scripts often enough to remember the syntax clearly, so a Ruby shell would simplify things a lot.

Another very nice looking dynamic window manager.

Very thorough how-to on installing and using mutt on Mac OS X.

Unison file synchronisation software

Herd your dot config files together so that you can synchronise your working environment between different (*nix) machines. Requires a version control system like Subversion.

Fascinating update to Joey's earlier article on keeping his life in CVS. This might just be an excellent idea.

I've never really got the hang of sed. This looks like a good introduction.

This is really neat: lomo-ify your images via ImageMagick.

This is just fantastic, and the comments are even better.

More tips and tricks to try with launchd

Interesting discussion of Apple's new launchd replacement for cron and other launching daemons.

The converting images one was new to me, and very handy to know.

An ncurses command line interfact to Remind

Useful tips on using rsync

A useful resource for quick bits of text manipulation

Another cool Vim tip, though you might need to actually check the URL returned in some cases

Some useful tips here