“Most of the software you can download from the Internet is
compressed. To use it, you have to unarchive it. There are a
variety of formats used for compression of files. The most common
format is ZIP. It’s common because it’s used as the primary
archiving format in Windows. There are, however, a myriad of
different compression programs. You can always tell how a file is
compressed by its file extension – the letters that appear after
period.”
“…Ask and ye shall receive. I have tried several graphical
user interfaces (GUIs) for dealing with archives in Linux, but the
best by far is a little program called KArchiveur…“