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MCQ

Which command is used to extract specific columns from the file?

cat

cut

grep

paste

None of the above

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MCQ

Which of the following command is used to go to home directory?

cd..

cd/

cd HOME.

None of the above

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MCQ

What are non characteristics of session semantics?

Each client obtains a working copy from the server

When file is closed, the modified file is copied to the file server

The burden of coordinating file sharing is ignored by the system

Easy to implement in a single processor system

Discussion

MCQ

Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?

copy programs/wb misc/wbx

cp programs/wb misc/wbx

tar programs/wb misc/wbx

copy a:programs/wb b:misc/wbx

None of the above

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MCQ

The second set of the three permissions (r-) indicates that

group has read permission only

Banking

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Medical

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category More Operating System Topics

Introduction to Operating System

Types

Services

Structures

Processes

Threads

CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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