Which flag for the tail command is often used to view log files?
-a or -f or -l or -z??

I mostly work on Solaris where -a and -z don't work. I will use -f to see what a log file shows when I run a command. (Take two sessions on the system, run tail -f in one and the command in the other).

When using traceroute, how many timing values are shown for each router?
2 or 3 or 5 or 8

Which option for wget turns on recursive downloads?
-a or -c or -r or -z

abril2006,

There is a utility called "man" which is short for manual.

When looking up the answers for a multiple-choice questionaire you could use the man utility to look up the answer, eg

man tail
man traceroute
man wget

the simplest utility for viewing file content is the ___ command, which display the contents of a file to the screen.

more or cat

how about dd, less, head or tail?