Any Editing, Software Work, And Mail Is

Pretty Much Everything On The Web Uses Those Two Things: C And Unix.

Unix Is Basically A Simple Operating System, But You Have To Be A Genius To Understand The Simplicity.

C Is Declining Somewhat In Usage Compared To C++, And Maybe Java, But Perhaps Even More Compared To Higher-level Scripting Languages. It's Still Fairly Strong For The Basic System-type Things.

C++ And Java, Say, Are Presumably Growing Faster Than Plain C, But I Bet C Will Still Be Around.

I Can't Recall Any Difficulty In Making The C Language Definition Completely Open - Any Discussion On The Matter Tended To Mention Languages Whose Inventors Tried To Keep Tight Control, And Consequent Ill Fate