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Operating System and File System Basics

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Questions and Answers

What are some common services provided by an operating system?

Program execution, I/O operations, File System manipulation, Communication, Error Detection, Resource Allocation, Protection

What are the major activities of an operating system with respect to program management?

Loads a program into memory, Executes the program, Handles program's execution, Provides a mechanism for process synchronization, Provides a mechanism for process communication, Provides a mechanism for deadlock handling

What does an I/O subsystem in an operating system comprise of?

I/O devices and their corresponding driver software

What is encapsulated as a process in an operating system?

Each kind of activity from user programs to system programs Signup and view all the answers

What do drivers do in an I/O subsystem?

Hide the peculiarities of specific hardware devices from the users Signup and view all the answers

Name an example of a system program that an operating system handles.

Printer spooler, name servers, file server Signup and view all the answers

What is the purpose of security in an Operating System?

Prevents unauthorized access to programs and data. Signup and view all the answers

How does a batch operating system process jobs?

Jobs with similar needs are batched together and run as a group. Signup and view all the answers

What does an Operating System do to control system performance?

Records delays between request for a service and response from the system. Signup and view all the answers

What is the role of an Operating System in job accounting?

Keeps track of time and resources used by various jobs and users. Signup and view all the answers

How does an Operating System aid in error detection?

Produces dumps, traces, error messages, and other debugging aids. Signup and view all the answers

What is the purpose of coordination between software and users in an Operating System?

Coordinates and assigns software to various users of the computer systems. Signup and view all the answers

Define I/O operation in the context of operating systems.

I/O operation refers to a read or write operation with any file or specific I/O device. Signup and view all the answers

What are the major activities of an operating system in file management?

<ol> <li>Program needs to read/write a file. 2. Granting permission to the program for file operations. 3. Providing interfaces for file and directory creation/deletion.</li> </ol> Signup and view all the answers