UCLA SAS materials https://www.ats.ucla.edu/stat/SAS/sk/default.htm Is a complete intro and overview to SAS. It has examples, videos, data sets etc. A good way to both get started with SAS, as well as find advanced techniques.
Hadoop is a linux based processing system, so to use it you need to be reasonably familiar with unix/linux commands. The login system for the hadoop cluster is bigdata.stern.nyu.edu. It has a large storage area (/bigtemp) for temporary file storage, since most users home directories are limited in space. (< 1GB) The /bigtemp area can be used as a staging area to load your data into the hadoop cluster. You should store your data in /bigtemp/yournetid, and then you can copy (put) the data into the hadoop system where you can manipulate it using hadoop. i.e. At the bigdata command [...]
Research Computing now has a small hadoop cluster. Currently there are 14 processing nodes with about 40 cores and about 12 TB of disk. In addition to hadoop and map-reduce, hive and mahout (0.8) are also installed. To use hadoop, please look at these instructions.