The following are the three most commonly used command line editors.
Nano is the easiest to use editor on Kamiak. Use the following command to open a file for editing with nano:
user@host> nano filename
Vim is the improved version of vi with code syntax highlighting and other features useful for programming. This editor has a steep learning curve, but is very efficient.
Use the following command to open a file for editing with vim:
user@host> vim filename
emacs also has code syntax highlighting along with auto-indentation and a whole list of other advanced editing features.
Use the following command to open a file for editing with emacs:
user@host> emacs filename
There are a number of GUI based editors available across platforms (gedit, notepad++, sublime text 2 just to name a few). The choice of GUI based text editor is a personal one and we offer no opinions on which is best.
That being said, any GUI based editor you use should be able to save files in a clean text format (so Microsoft Word is out).