hehe you can't
What I do is put a . (dot) in front of every line.
Code:
@echo off
echo .Backing up ICQ db
copy blah blah
echo .Back up successful
echo .
echo .Backing up My Docs
copy blah blah
echo .Back up successful
And on the screen it will show up as:
.Backing up ICQ db
.Back up successful
.
.Backing up My Docs
.Back up successful
Ok, it's not the best you can do, but I can live with it.
I heard that you can fake it with a tab, but I haven't seen it working