Despite the fact that today Windows reigns supreme on users’ computers, the number of installations of alternative systems is not decreasing, but, on the contrary, increasing. If you are holding this book in your hands, the choice has obviously already been made - Linux. One of the problems faced by users who want to install and, most importantly, use the GNU/Linux operating system as a working system is the lack of information on programs. This publication will just help solve it. In it you can find replacements for programs you are used to working in Windows. Descriptions are given without reference to any specific distribution.