First, redirection and pipes are two different things. Redirection relates to stdout, stdin, and stderr.
Pipes are for sending output of command A to the input of command B.
File descriptors are:
So "1>xxx" means send output to xxx instead of stdout
Time to read a tutorial: Here is one: http://www.tldp.org/HOWTO/Bash-Prog-...OWTO.html#toc3
Also---at the same site---look at the Bash Guide for Beginners by Machtelt Garrels