In DOS, the command prompt was often referred to as the c: prompt when the current directory was set to the root directory of the C: hard disk partition.

I have a somewhat more interesting user page on the English Wikipedia. I'm less of an editor on Wikibooks than I am on the Wikipedia. On Wikibooks, it seems I am more of a reader.

I have an account by the same name on the English Wikipedia, the Simple English Wikipedia, the Esperanto Wikipedia, and Wiktionary.