codaland
Tuesday, August 31, 2004
       
GNU Screen: an introduction and beginner's tutorial
Most modern Unix-based operating systems (e.g. Linux, MacOS X, and BSD) come with a little console-mode utility called GNU Screen. It's a powerful tool in the hands of the console warrior, a veritable Swiss Army knife of text-mode human-computer interaction.

This utility, despite its considerable usefulness, goes unused by a great many people. Why is this? Few people even know it's there, and those that do rarely understand the problem it solves. In this article, I will explain what screen does for you, and provide a simple set of instructions for accomplishing basic tasks using screen. My audience is those that are skilled with the command line but who have little or no experience with screen itself.


Essential utility: "screen"
Screen is a command line utility that comes with lots of Unix variants (including Linux). It is a bit hard to describe and to discover. It provides two main features: multiplexing a terminal and detaching/re-attaching sessions.
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