What is SGID and how to set SGID in Linux?

This is next to SUID in our ongoing Linux file and folder permissions series. We already discussed about CHMOD, UMASK, CHOWN, CHGRP, SUID, StickyBit and SUDO  concepts in our the previous posts. In this post we will see What is SGID? Why we require SGID? Where we are going to implement SGID? How to implement SGID in Linux? … Continue reading What is SGID and how to set SGID in Linux?