SFLC - Software First Life Cycle

SFPR - Standard Floating Point Representations

SFT - System Fault Tolerance

SFX - Self Extracting archive

SGA - System Global Area

SGI - Silicon Graphics Inc.

SGML - Standard Generalized Markup Language

SGMP - Simple Gateway Monitoring Protocol

SGRAM - Synchronous Graphic RAM

SHA - Secure Hash Algorithm

SHA - Simple Hashing Algorithm

SHCFG - Strictly Hierarchical Context Free Grammar

SHTML - Serverprased HTML

SHTTP - Secure HTTP

SI - Shift In

SIB - System Interface Buffer

SIBL - System Interface Buffer Loader

SID - System Identifier

SID - Symbolic Interactive Debugger

SIDM - "Single Instruction

SIF - Standard Interchange Format

SIG - Special Interest Group

SIG ACT - SIG Automatic and Computability Theory

SIG CAS - SIG Computer And Society

SIG CUE - SIG Computer User Education