Unit-I
Computer system overview-basic elements,registers,instruction execution, interrupts,
Memory hierarchy, cache memory, I/O communication techniques
Operating systems overview-objectives and functions, major achievements, characteristics of modern operating systems, windows 2000 overview, Unix systems overview
Process description and control-states,description,control,unix process management
Process and threads, symmetric multiprocessing, micro kernels, windows 2000thread
And SMP management, Solaris thread and SMP management, Linux process and thread management.

Unit-II
Concurrency:principles,mutual exclusion,semaphores,monitors,message passing.
Principles of deadlock, Unix concurrency mechanisms, Solaris thread synchronization
Primitives, windows 2000 concurrency mechanisms
Memory management-requirements,portioning,paging,segmentation
Virtual memory-hardware and control,OS software, Unix and solaris memory management, Linux memory management, windows 2000 memory management

Unit-III
Scheduling-Types,algorithms,unix scheduling, multiprocessor scheduling, real time scheduling, Linux scheduling,windows2000 scheduling
I/O management and disk scheduling-I/O devices,organization,design issues, I/O buffering, disk scheduling,RAID,Disk cache, Unix I/O,windows 2000 I/O
File management-overview,organization,directories,sharing,record blocking,
Secondary storage management, Unix file management,windows2000 file systems

Unit-IV
Multimedia operating systems-Multimedia files,compression,process scheduling, file system paradigms, file placement,caching,disk scheduling
Distributed processing-client/server computing, distributed message passing RPC’S
Clusters,windows2000cluster server, Linux clusters
Process migration, distributed global states, distributed mutual exclusion

Unit-V
Distributed systems-Network services, and protocols, middleware-Document based, file
System based shared object based, coordination based.
Computer security-Environment,cryptography,user authentication, attacks from inside
Attacks from outside, protection mechanisms, trusted systems,windows2000 security

Suggested reading:
William Stallings-operating systems-4th editionPH2001
Andrew S.Tanenbaum-Modern operating systems,2nd edition, Pearson 2001