Some tools are nearly indispensable to a host, especially the host commands built in to the PicoSpan software. We'll be covering those first. Others have been added by hosts who know how to make UNIX scripts or programs, and are so generally useful you'll almost certainly want to take advantage of their capabilities. And some are more esoteric and complex, but can come in handy occasionally, when you have a particular job you want to do.
Let's look at the basic host's toolkit now, the indispensable tools.
Besides the use of the banners discussed in 4.0, there are only a handful
of commands you really need to know about to get hosting: freeze and thaw,
retire and unretire, hide and unhide, scribble, kill, and linkfrom.