RESOURCES Below is a collection of computing resources. Some of the guides have been copied from their original web location to provide stability. They were written by various individuals and organizations as indicated. UNIX/Linux operating system Most of our research is done using UNIX or Linux workstations. This UNIX/Linux tutorial for beginners provides the basics to get started. This tutorial was developed by M Stonebank of Surrey in the UK. The original site is here. vi and vim - text editors Tutorial/Reference A brief overview of the vi commands. This was passed on to me, the identity of the author is unknown. UNIX batch text editing awk quick guide Awk is used for he processing of columns of text, typically the same operation will be applied to each line in the input file. This is a great beginners guide put together by Harvey Mudd College. sed, tr, cut and od very short guide from Sakari Mattila Fortran 77 - programming language Tutorial A brief and simple overview of fortran 77 to get anyone started. This tutorial was developed by Stanford. SAC - seismic analysis code This is an interactive tool for analysis of timeseries. You can gain access to various resources at the SAC homepage. Links to other seismic resources SeismoSurfing is an extensive list of websites where you can obtain seismic data. html - authoring webpages Beginners guide A primer on web page authoring from NCSA ...a good place to start. Barebones guide A simple table of the tags and modifiers/variables, a great place for a quick lookup. From Barebones. Restricting access to your webpages A guide to the various methods of restricting access to webpages. Using the .htaccess file your can require a password or limit access to computers from a specified domain. This how-to comes from the University of Kansas.