Question

What is the first character for a file or directory names if they should not be displayed by commands such as ls unless specifically requested

Answer 1

Answer: The .(dot) character

Explanation: in Linux, the period (dot) is short hand for the bash built in source. It will read and execute commands from a file in the current environment and return the exit status of the last command executed.

The .(dot) character is the first character for a file or directory names if they should not be displayed by commands such as ls unless specifically requested