Most of know about CYGWIN http://www.cygwin.com/ to use linux style commands in Windows.
It is a great tool. However, if you need just a few commands, you can try UnxTools http://sourceforge.net/projects/unxutils/
Note that there may be some issues if using the shell (sh), other than that, it works great. For example, using the which command, it is of great help.