INTRODUCTION

There are many processing softwares, the most usual and commercial software such as ProMAX, Omega, Vista, Focus, etc. Apart of them, there are also many freeware and open-source processing softwares. Seismic Unix (SU) package is a most usual, fast release & freeware processing tools under Linux/Unix developed and maintained by the Center for Wave Phenomena (CWP) at Colorado School of Mines. The full source code packages are distributed and can be downloaded on http://www.cwp.mines.edu/cwpcodes/index.html or via ftp://ftp.cwp.mines.edu/pub/cwpcodes.