If I want to use extended regex features in a grep statement, what flag do I need to use?Group of answer choices-x-R-E-r

If I wanted to use the tail command to continuously append newly generated data to the end of a log file I'm monitoring, what flag would I need to use?

Which type of appeal does this statement use?Would you want your child exposed to this new law?ethicalemotionallogicalauthoritative

Only real accounts are extended to the statement of financial position Group of answer choicesTrueFalseNext

Choose the proper Question tag for the given statement. I hardly practice my guitar, ____________?Choices:- don’t I do I did I didn’t I

If I want to have common functions in a class and want to defer implementations of some other functions to derived classes, then we need to use