SAS (Statistical Analysis System) software is comprehensive software which deal with many problems related to statistical analysis, Spreadsheet, Data Creation, Graphics etc. It is a layered, multivendor architecture. Regardless of difference in hardware, operating system etc. The SAS application looks the same and produces the same result. The three component of SAs system are Host, portable Application and Data. Host provides all the required interfaces between the SAS system and the operating environment. Functionalities and application reside in Portable component and the user supplies the data. We in the course will be dealing with the software related to perform statistical analysis of data.