Comprehensive and Detailed In-Depth Explanation:
The sudo (SuperUser DO) command is used in Linux-based systems to execute administrative tasks, such as changing permissions or accessing root-level files and directories. When a technician needs to change file or user permissions, they often use chmod or chown with sudo to gain the required privileges.
* Option B (chxod): This is a typo. The correct command is chmod, used to change file permissions.
* Option C (xv): Not a valid command in Linux related to permissions.
* Option D (pwd): Stands for "print working directory," used to display the current directory, not manage permissions.
? Reference:
* CompTIA A+ 220-1102 Exam Objective 1.4 - "Given a scenario, use features and tools of the Mac OS and Linux client/desktop operating systems."
* Linux Command Reference: sudo, chmod, chown