The similarity between magic and programming is never more apparent thanwhen you sit down and watch someone who is truly good on the command line.By virtue of having secret knowledge they can quickly accomplish theapparently impossible. If you start out in the unix world you begin bylearning some simple incantations such as 'cd', 'ls' and 'top' and 'kill'.If you persevere with the art eventually you may master the hidden runesthat bring 'sed' and 'awk' to life. ... (more)