BIOINFO : bioinfomatics BIOMED : biomedical CFD : computational fluid dynamics CH : chemical engineering & chemistry COMP : compiler DB : database DBG : debugger DBU : database utility DP : desktop publishing DR : drawing DU : Drupal utility EE : electrical engineering FEA : finite element analysis GL : graphics library GIS : geographic information system GU : GNU utility HE : HTML editor IA : image analysis IDE : integrated development environment IP : image processing & file format conversion KRBU : Kerberos utility LANG : language LIB : library M : mailer & mail utility MA : mathematics MBIO : molecular biology ML : machine learning MRI : MRI scanner MPI : message passing interface MTOOL : matlab toolbox OP : office productivity NS : network simulator NNS : neural network simulator PDF : PDF viewer PL : plotting PLS : plastics PS : PostScript viewer RA : Radio astronomy SH : shell SC : servlet container SCH : cluster scheduler ST : statistics SU : shell utility UT : utility VIZ : visualization TE : text editor TP : text processor WEBB : web browser WEBD : web development WEBS : web server WS : window system XU : X Window utility