[coderzone]

Can anybody recommend me a free linux emulators for windows? VMware is good but it is not free

[shabbir]

You can try cygwin

http://cygwin.com/

cygwin tools provide Linux look and feel in Windows.

[dearvivekkumar]

Hey if you talking about emulator then Cygwing is nice. But if you mean, virtual Machine like thing by which you can use linux and window side-by-side then you can try Virtual Box and it's also free.