Processor designs can be broadly divided into CISC (Complex Instruction Set Computers) and RISC (Reduced Instruction Set Computers). The dominant processor in the PC market, Pentium, belongs to the CISC category, and Linux is fast becoming the number one threat to Microsoft’s Windows in the server market. This unique guidebook provides comprehensive coverage of the key elements of Assembly language programming, specifically targeting professionals and students who would like to learn Assembly and intend or expect to move to the Linux operating system.