Question: What's the best method to delete the first line of text from a large (10k+) group of text files.

Answer: 
If you can install [TAIL](http://tailforwin32.sourceforge.net/) in your sistem

```
tail -n +2 filename > finalfilename

```

shows all the filename except the first line.

The windows CMD, in my opinion, isn't the best "terminal". However, you don't need `tail` command. As Patrick Cuff said, you cand use the `more` command that does basically the same.

I think that is the best answer to do with buil-in commands.

If you know a bit about programming, you can make a small program that does what you want and call it in a bat file.

Also, you can use other windows terminals like [cygwin](http://www.cygwin.com/), [powershell](http://www.microsoft.com/windowsserver2003/technologies/management/powershell/default.mspx) or [console](http://sourceforge.net/projects/console/) that have more flexible built in commands to do this kind of stuff.
download [sed for windows](http://gnuwin32.sourceforge.net/packages/sed.htm). Then do this

```
c:\test> sed -i.bak "1d" file

```

use a for loop to iterate files