1) Novice vs. competent practitioner

If I want to know what flag options a bash command has (i.e. ls), I should search the man page.  Which of these is the program that runs when you issue the command "man ls"?

(a) more

(b) less

(c) head

(d) cat

(e) None of these

2) Competent practitioner vs. expert

Globbing matches wildcards to file names.  Which of the following is NOT a valid wildcard expression?

(a) *.txt

(b) file_?.txt

(c) [0..1].txt

(d) {0..1}.txt

(e) All of these are valid