What does the output of the wc $<$ test.txt command $(2836)$ represent? Not sure? Try man wc$,$ info wc$,$ or

pinfo wc $($you may have to install pinfo$).$

$2.$ How many newlines, words, and bytes are in test.txt$?$

$3.$ Why might you want to redirect command line errors using $2>$error.log$?$