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MCQ

Which command is used to move all files to the bin sub-directory of the parent directory?

mv *.* /bin/

mv * /bin/*

mv * ../bin

mv * ../bin *.*

None of the above

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What are the characteristics of transaction semantics?

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Easy to implement in a single processor system

Write back enhances access performance

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Which of the following commands is used to have a two-way communication with any person who is currently logged in?

mail

mesg

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Which set option is used with vi editor to display line numbers on screen?

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Which of the following command is used to count just the number of lines contained in a file?

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None of the above

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The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

tee

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None of the above

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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

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Community Discussion

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