The root user is the most powerful user on any Unix system, with almost unlimited access. Regular user accounts that have been designated as sudoers can assume many of the root user powers by using the sudo command.
- [Instructor] In this movie we're going to learn about … root, sudo and sudoers. … The root user is the most privileged user account. … It can do absolutely anything on the Unix system. … It can open any file, it can run any program. … It can change any permissions. … It's an all powerful user that's not bound … by normal user permissions. … In fact, it can create new users … and delete the accounts of existing users. … Have you ever watched a movie or TV show … where there's some hackers who talk about … getting root access or being root? … This is what it refers to, … if a hacker can get root on a system, … they can access and change anything that they like. … But logging in as the root user … is not the only way to get that level of access. … The sudo command, … grants the privileges of the root user. … Sudo stands for substitute user and do, … it's not super user do as some people guess. … Most often it's used to perform an action … as if you were the root user. … Sudo is used as a prefix to other commands. …
Skill Level Intermediate
1. Introduction to Unix
2. Files and Directories
3. Ownership and Permissions
4. Commands and Processes
5. Directing Input and Output
6. Configure Your Working Environment
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