A term used to describe any data that is not encrypted.
Linux PreLoaded is a UK website that sells desktop computers. They have decent prices, plus the Linux computers have great ratings already in 2013. They ship from the UK.
Red hat is just the distribution. The Linux project determines the current revisions and allows people to charge for distributions just in case you don't want to load everything by hand.
Yes, a Linux machine can be made a router. This is called "IP Masquerade." IP Masquerade is a networking function in Linux similar to the one-to-many (1: Many) NAT (Network Address Translation) servers found in many commercial firewalls and network routers. The IP Masquerade feature allows other "internal" computers connected to this Linux box (via PPP, Ethernet, etc.) to also reach the Internet as well. Linux IP Masquerading allows this functionality even if the internal computers do not have IP addresses.
Linux project management software is used to manage many aspects of a specific project, like finances, quality management, and scheduling. It is used to plan and control resources for the project.
vi
The one editor that is absolutely certain to be available on every Linux and Unix distribution is 'vi'. The 'vi' editor is not only the world's greatest editor, it is absolutely ubiquitous in the Unix and Linux world. There are other editors on many Linux systems including many graphical editors, but none hold a candle to 'vi', at least in my humble opinion.NOTE: The 'vi' editor was written by Bill Joy.
Vi
vi
These are Unix and Linux text editor programs.
vi text editor is a standard text editor found in almost every flavor of Linux, it is the most preferred text editor by most Linux professionals, other text editors include nano and pico are also decent substitutes for the vi editor
Look for a vi tutorial (they are usually online for Linux anyway). Or, search for "vi cheat sheet". Example is in related links.
You type "vi filenameyouwanttoedit" on the command line. I recommend getting a book for more details. We certainly can't teach you everything there is to know about vi here.
Shift-g / capital G
visual interactive
This entirely depends on the distribution maintainers. Usually it will be either Nano or vi/vim.
I dont know what "iv" is but if you mead "vi" then... type vi "name of the file" to enter the editing mode then type "i" to start typing. when you are done editing type :wq to write then exit vi.