Operating system 1st unit material download from below link:
the operating system is one of the core and important subject in computer science and it interview point of view it is an important subject and we can expect a maximum of 5 to 6 questions from this subject.
as computer science students, we should have to know about memory management, memory allocation, Deadlock avoidance, critical section, partition, etc these are some important topics for the interviews.
as we know that os is an important part of the system and it allows you to communicate with the computer system.
An operating system is the most essential program that allows a computer to run and execute programs. Without an operating system, a computer cannot be of any important use since the computer's hardware won't be able to communicate with the software.
now I think you may have got an idea about this subject and the importance of this subject
syllabus
UNIT - I
Overview-Introduction-Operating system objectives, User view, System view, Operating system definition, Computer System Organization, Computer System Architecture, OS Structure, OS Operations, Process Management, Memory Management, Storage Management, Protection and Security, Computing Environments. Operating System services, User and OS Interface, System Calls, Types of System Calls, System Programs, Operating System Design and Implementation, OS Structure.
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