Summary: In Africa, GNU/Linux grows rapidly on desktops and laptops; if one counts Android as "Linux" (because Android's kernel is Linux), then "Linux" has about 65% of the market in Africa
"It means a situation in which somebody accuses someone else of a fault which the accuser shares, and therefore is an example of psychological projection, or hypocrisy. Use of the expression to discredit or deflect a claim of wrongdoing by attacking the originator of the claim for their own similar behaviour (rather than acknowledging the guilt of both) is the tu quoque logical fallacy."