Aptitude Test : --80 Minutes --35 Questions

tell me 2 unix commands & their functions?
what is the command to remove a directory from unix ??
what is your fav subject ?
what is forward reference in C?
what is d difference b/w structure & union ??
what is recursion?
write a prog using recursion ?
diff b/w printf & scanf?

u were selected in 2007 then why didnt u join ?(as i was selected by TCS after my graduation)
r u willing to relocate ?

dont get tensed...jst be cool...never try to act smart as they r much more smarter than us...never show anything which u r actually not.....

535 were seated 4 aptitude test...179 were selected among them...& finally 116 were selected after the interviews......