Final answer:
Using the root account for basic functions is a problem because it poses significant security and stability risks. Instead, best practices include using a standard user account and elevating privileges only when necessary with tools like sudo.
Step-by-step explanation:
If you see a user logging in as root to perform basic functions, this could be a problem. The root account on UNIX-based systems (including Linux and macOS) has complete control over the system, which includes the ability to execute any command, alter any file, and change system configurations. This level of access without restrictions is not recommended for basic tasks because it increases the risk of accidental system damage due to an incorrect command or other unintentional actions.
It is considered best practice to use a standard user account for day-to-day operations and to leverage tools like sudo when administrative privileges are required for specific tasks. This approach minimizes the potential for catastrophic errors and enhances system security by providing an audit trail of administrative actions. By limiting root access, it also reduces the risk of a security breach, since root accounts are prime targets for malicious attacks.