Collectively, the term “standard I/O” refers to standard input, standard output, and standard error. Defi ne these three terms. What are their abbreviations? What does it mean to redirect standard...

Collectively, the term “standard I/O” refers to standard input, standard output, and standard error. Defi ne these three terms. What are their abbreviations? What does it mean to redirect standard I/O? Show how to redirect all three types of standard I/O.