tree cc3fe5f149559d2826660195a7d9ed833a874715
parent 88b5a391bc2f9eb85066219e453682a746730ead
author Aaron Carroll <aaronc@gelato.unsw.edu.au> 1223371538 +0200
committer Jens Axboe <jens.axboe@oracle.com> 1223371538 +0200

Document environment variable expansion

Add environment variable expansion documentation to HOWTO, and fix
a few nearby typo's while we're at it.

Signed-off-by: Aaron Carroll <aaronc@gelato.unsw.edu.au>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>