NO: 60:A Linux administrator is creating a directory called CompTIA_doc, and it needs to switch...

Step-by-Step Comprehensive Detailed Explanation:

Command Explanation:

mkdir CompTIA_doc creates the directory, and && ensures the cd CompTIA_doc command executes only if the directory creation is successful.

Why Other Options are Incorrect:

A: The & runs commands in the background and does not ensure sequential execution.

B: + is not a valid operator in shell commands.

C: || executes the second command only if the first command fails.