Root (Linux)

Root is the superuser account in Unix/Linux systems with complete administrative privileges over the system.

What is Root?

Root is the superuser account in Unix and Linux systems with unrestricted access to all commands, files, and resources. The root user (UID 0) can perform any administrative task on the system.

Root security practices

Disable direct root login, Use sudo for privilege elevation, Strong root password, Audit root actions, Limit root access.

Common misconceptions

"Running as root is convenient" — Major security risk
"Root is needed for everything" — Use sudo instead
"Root password should be shared" — Individual accounts with sudo