This directory contains site-specific information about the computing environment at STScI. The documentation stored here includes: SiteGuide/ The STScI Site Guide for IRAF and STSDAS. Includes information about setting up and using various devices and charts listing the IRAF aliases for these devices. VMSGuide/ The STScI VMS Users Guide. Novices to the VMS operating system will find much of this guide to be applicable to learning about VMS in general, although there is also information about software installed at STScI that will not be generally available. UnixGuide/ The STScI Unix Users Guide. Tutorial information about Unix systems in general, with details about the local STScI installation and its resources. In general, the PostScript files will be the best versions as they are the most complete and the most frequently maintained. If you have questions or problems using any of these files, send e-mail to: hotseat@stsci.edu or call (410)516-5100.