Assume that you want to display the content of the file: $/$var$/$sysconfig$/$iptables

However, you want to display a screen of the file at a time. Which of the following commands would

accomplish this?

a$.$ cat $/$var$/$sysconfig$/$iptables

b$.$ cat $/$var$/$sysconfig$/$iptables $|$ more

c$.$ more $/$var$/$sysconfig$/$iptables

d$.$ all of the above