
You are looking Yahoo Messenger Chat Client that work for Your Linux Operating System or other Unix / *nix operating system? Yux is the answer. With you that has an interface almost look like official yahoo Messenger you can feel you are being chat with Official Yahoo Messenger even you run in Linux System. We knew that Yahoo! not release any kind of YM for Linux version. So, YUX is 3rd party chat client developed for Linux. Here I give you a short quote from official YUX page at sourceforge:
What is Yux
Yux is an alternative Yahoo Messenger client for *nix systems. What distinguishes Yux from other clients is that Yux attempts to match the look and feel of the official version of the Windows client.
Features:
Aimed at simplicity and ease of use, Yux offers the following features:
* Extremely lightweight, does what its supposed to do.
* Gtk-themeable user interface.
* Accessibility features for persons with disabilities. (in process)
* Supports almost all of yahoo messenger features except audibles, buddy icons, and voice chats.

Please be careful before you install YUX at your Linux such as UBUNTu others. Read the manual instruction at the official YUX page before you install YUX. Especially the Requirement of libyahoo2 library. You can download YUK here.