Aaron Toponce : The Meaning of 'su'When I taught for Guru Labs, part of the students training was covering different ways of becoming the root user, such as using "su", "sudo" and taking advantage of the wheel group. Login shells versus non-login shells were also covered. The idea was to help the student understand the real nature of the shell and subshells, not to mention how to appropriately switch user accounts. Inevitably, I wo
