There is an interesting article appeared in Linux For You Nov. 2007.
Now you can install and run Windows version of Tally 9 - the most popular Accounting software in Linux.
Here are some simple steps-
Install latest version of WINE , if it is not installed already.
Copy Tally 9 installer to your hard-disk, and install it through WINE.
You will find Tally 9 Menu in Wine program menu after successful installation. Though I myself had not tested it, but the article said that it runs perfectly - including printing and saving.
For more detailed instructions, refer Linux For You November 2007.