Multiple choice technology programming languages Which file test can be done to see if a file exists and has a nonzero size? -s -l -S -k Reveal answer Fill a bubble to check yourself A Correct answer Explanation The -s file test operator returns true if the file exists AND has a size greater than zero. This combines both existence and non-empty checks. The -l operator tests for symbolic links, -S for sockets, and -k for the sticky bit.