FTP is the ability to send and receive files from other computers. You will need to know the name of the file and the address of the site who has it before FTPing.
IRC (Internet Relay Chat) allows many users on different systems at different locations to converge into one "room" and have a discussion, similar to a conference call or party line.
VIRC is a new concept in IRC. Soon, this program will be totally integrated with the Win95 Shell and you'll be able to drag files from the Explorer onto a nick to DCC send them the file, and you'll be able to drag IRC servers onto the desktop for rapidconnection to IRC. With a very intuitive interface, this is definitely one to check out.Archiving utilities allow an individual to compress/decompressfiles, making them smaller for uploading, downloading, putting on disk, etc. To decompress the file, you usually need a decompression program of the same format, to expand the files and make them usable again. There are many different formats of compression which vary in popularity. Currently ZIP is the most popular, but other formats such as ARJ, RAR, and even LHA and ARC have their adherents. You will need a utility to work with zip files!
7-Zip7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". The program can be used from a Windows graphical user interface that also features shell integration, or from a command-line interface as the command 7z that offers cross-platform support.