I just finished writing my third e-book about Perl one-liners. Perl one-liners are small and awesome Perl programs that fit in a single line of code and they do one thing really well. These things include changing line spacing, numbering lines, doing calculations, converting and substituting text, deleting and printing certain lines, parsing logs, editing files in-place, and many more.

Things have changed and now the Nook represents a real threat to users because of its invasive DRM, close relationship with DRM champions Adobe, and because of its use of the Android operating system -- which might lead many to think the Nook is not defective by design.

Higher-Order Perl is about functional programming techniques in Perl. It's about how to write functions that can modify and manufacture other functions. That way your code is more flexible and more reusable.

Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. At the core of an operating system is the kernel. The kernel is the most fundamental program on the computer: It does all the basic housekeeping and lets you start other programs.

China-based Jinke Electronics is shipping an upgraded version of its electronic book reader that runs Linux. The Hanlin eReader V3 offers an 200MHz ARM9 processor, and a six-inch 800 x 600 display that uses E Ink's power-sipping EPD (electronic paper display) module, says Jinke.