The long-time use sudo command in Linux has been subject to security risks and is being deprecated and replaced with a much lighter command taken from OpenBSD called doas. The security risks have been identified in the National Vulnerability Database (NVD) CVE-2021-3156 as a High Risk. Sudo stands for superuser do whereas the doas command stands for dedicated openbsd application subexecutor. The sudo command package is roughly 20M in size whereas doas is only 570K in size.