SYS PROG and OS

Extensively rewritten to enhance readability and cohesion. Numerous improvements in the presentation of concepts have been effected throughout; errors adn ambiguities have been corrected. Table Of Contents: Chapter 1 Language Processors Chapter 2 Data Structures for Language Processing Chapter 3 Scanning and Parsing Chapter 4 Assemblers Chapter 5 Macros and Macro Processors Chapter 6 Compilers and Interpreters Chapter 7 Linkers Chapter 8 Software Tools Chapter 9 Evolution of OS Functions Chapter 10 Processes Chapter 11 Scheduling Chapter 12 Deadlocks Chapter 13 Process Synchronisation Chapter 14 Interprocess Communication Chapter 15 Memory Management Chapter 16 IO Organization and IO Programming Chapter 17 File Systems Chapter 18 Protection and Security Chapter 19 Distributed Operating SystemsIndex Special Features: Added a section on resource allocation and user interface functions. The section on threads has been rewritten Discussion of working set allocator is revised completely-elaborations are added to the examples on working set allocator. New discussion added on IO initiation. Sections on hashing function,garbage collection, codee optimisation, relocation and linking concepts, deadlock handling algorithms, system states adn many others have been elaborated upon and rewritten to enhance understanding. Chapter on Software Tools, Assembler, Interprocess Communication, File Sytsems and Protection and Security are substantially rewritten.