Text Editors
Speaking of editing, it's time for you to learn an editor. To get serious with Unix, you must be able to edit text files without damaging them. Most parts of the system use plain-text configuration files (for example, those in /etc). It's not too difficult to edit files, but you will do it so often that you need a serious, powerful tool for the job.
You should make a serious attempt to learn one of the two de facto standard Unix text editors, vi and emacs. Most Unix wizards are religious about their choice of editor. Don't listen to them. Instead, choose for yourself. If you choose an editor that matches your personality, you will find it easier to learn:
If you want an editor that can do almost anything and has extensive online help, ...
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