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

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

group has read permission only

other has read permission only

owner has read permission only

group has write permission only

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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

sort

grep

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MCQ

Which command is used to change directory to the name beginning with a 'p'?

cd p

cd p?

cd p*

cd [p]

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Which of the following commands is used to remove files with confirmation prompt from the user file system which have neither been accessed nor modified i the last one year?

find -mtime +365 | rm

grep (/usr/*) - mtime + 365 | -ok rm

find -name - mtime + 365 / - ok rm

find /user/* (-mtime + 365 - a - atime +365 ) - OK rm {}

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MCQ

The File that contains a set of instructions which are performed when a user logs in, is

.exrc

.profile

.autoexec

autoexec.bat

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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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