If I were you, I learned the C programming language and was already looking for a job as a programmer, for example, debugging post processors for CNC machines, if you like CNC machines so much.”
In the first lesson – acquaintance with DOS, my partner, a mechanical engineer, and I almost formatted the hard disk, by a lucky coincidence – a programmer was sitting near us and his prompt intervention – have been saved the database in the computer. This is how I learned the command in DOS – format.