If a$.$out is the executable code corresponding to the given source code, then what does the command $\text{'}$a$.$out lt; out f$\text{'}$ do$?$

$\{$

printf$("$user

$")$;

system $("$date$")$;

printf$("$user$1")$;

$\}$

It redirects the output of date to file out f

Itdisplays the output of date on the screen

It prints everything on the screen

It prints the two messages on the screen