Our CEO Contributed to Software Design for Beginners ②: Introduction to Linux We are pleased to announce that our CEO, Masahiro Nakajima, contributed to "Software Design for Beginners ②: Introduction to Linux, published by Gijutsu-Hyoron Co., Ltd. on June 22, 2026". His article appears in: Chapter 2: Linux Refresher for New Employee Training2-4 Package Management: Do You Know When to Use yum, dnf, and apt? Information