Tip: Changing Case

Question: Why would you want to switch the case of text?

Simple answer, you'll forget to upper case the first letter of your sentence.
As for changing case of a whole word or region. Quite often, you'll receive an email in need a more gentle look. (Some people love screaming in upper-case.)

Answer 1: Changing the case of a letter. You will have to select it, as a region first. Keyboard: Ctrl-x, Ctrl-u # for upper case. Ctrl-x, Ctrl-l # for lower case. (Of course, to change case of one letter. Might as well, do it manually. Less key strokes.)

Answer 2: Menu Commands, Change Case, Upcase Region # or Downcase, Capitalize, or Title-Case Region.

Start Region: Ctrl-Space (then move to the end of it.)
Upcase Region: Ctrl-x, Ctrl-u
Downcase Region: Ctrl-x, Ctrl-d

Platform: Linux
Level: Amateur
GlR