Sudo

Sudo is a Unix/Linux command that allows users to run programs with the security privileges of another user, typically root.

What is Sudo?

Sudo (superuser do) is a program for Unix-like operating systems that allows users to run programs with the security privileges of another user, typically the superuser (root). It provides controlled privilege escalation with logging.

Sudo vs Su

Sudo: Uses user's password, single command scope, configurable permissions
Su: Uses target user's password, full shell session, all-or-nothing

Sudoers Configuration

The /etc/sudoers file defines who can use sudo, what commands they can run, and whether a password is required.

Common Misconceptions

"Sudo equals root" - Provides controlled access, not full root
"NOPASSWD is convenient" - Security risk, avoid when possible
"Sudo logs are automatic" - Requires proper configuration