We desired to release from the school even if not advanced, but surely “PC user, and for this student should be taught even the basics of the functioning of the os – for the task itself teacher must be good if not excellent, to understand the issue. Now, drive in to any search engine any question on computer topics – what answers get? Correctly based on the use of Windows. Walk into any bookstore in the department of computer literature – all the shelves are busy with books about Windows, on Linux – something about how to administer networks, modestly, in the far corner. Virtually all organizations, and commercial, and public, their clerical work is carried out using programs of 1C, but they are not ported to Linux. So that the science teacher will be familiar with Windows, and students in the large living need the same thing. Speaking of user-friendly. If someone does not know, Linux originally then developed an obscure Finnish students as a graduation project as a console os, and all swear (but none of it en masse to other OSes and not passed) Windows from the beginning was conceived as a custom os obscure if the American-educated student. Will not expand here next “holivar Windows versus Linux, we now have other problems, but the fact remains – Windows won an absolute majority of votes among all users suits and ranks, from gamers to officials and businessmen. Speaking of gamers – which would make a schoolboy coming home from school? Correctly, run your favorite toy, and on Windows, and forget about school science lessons with unnecessary it Linux.