"Still, people are having trouble, so here's my 101
class on installing programs on Linux.
"First, chances are good you won't need to install any software
on a Linux desktop. Almost all Linux distributions already come
with an office suite, usually OpenOffice; a Web browser, Firefox; a
universal IM client, Pidgin; and so on. Don't like the main
choices? Most Linux distributions also come with alternative picks.
For example, there's Gnome Office; the Epiphany Web browser and the
Kopete IM client. You get the idea.
"If you're looking for a specific replacement for a Windows
program you love, you have two choices. You can see if it's
supported on Linux by Wine, or its commercial big-brother,
CrossOver Linux. If it is, you can just install and run it on
Linux. I do this all the time with Internet Explorer, for sites
that are still crippled by IE-only requirements, and it works