B. !
(e<span>xclamation point is the symbol that </span>separates<span> a </span>worksheet reference<span> from a </span><span>cell reference)</span>
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
Depends on which program you are using. Some programs automatically save your work, even if you exit out of it or turn off your computer
A is the correct answer. You build credit by using credit cards and paying your bills on time.
