Question # 1

By which of following the problem of thrashing is significantly affected.

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Program size

Program structure

Primary storage

Secondary strorage

Which is the most important for Multi taskiing.

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Modularity

Time sharing

Multi programming

Multi user

What control character signals the end of the input file.

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Ctrl + s

Ctrl + z

Ctrl + w

Ctrl + d

Memory protection is normally done by

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The processor and the associated hardware

The operating system

The compiler

The user program

To display disk consumption of a specific directory which command is used.

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dd

du

dt

di

A thread is.

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Lightweight process where the context switching is low

Lightweight process where the context switching is high

Used to speed up paging

Used in dead locks

By which command content of a file can be searched.

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grep

search

srh

show

How many links are created when we create a directory file.

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1

2

3

4

Distributed system should.

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High security

Have better resource sharing

Better system utilization

Low system overhead

Which one is true.

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The linkage editor is used to edit program which have to later link together.

The linkage editor links object module during compling

The linkage editor links objects modules and resolves external reference between them before loading.

None of above

How applications communicates with kernel.

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Not disclosed by linux team

SSL

System calls

Shell

which option of 'grep' displays the line number as well.

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-n

-i

-d

-al

Which command gives the first byte where the difference is in the file 1 & file2

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Diff

differ

Cmp

Compare

Which type of software can be used to merge data of two files in one files.

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System software

Networking software

Documenting software

utility software

File record length

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Should be chosen to match the data characteristics

Should be fixed

Should be variable

Vary system to system

Shortest job First executes first the job.

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With the least processor needs

That first entered the queue

That has been in the queue for the longest

That last entered the queue

All the abbreviations is vi editor can be shown by

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All

ab

atat

ashow

Which command is used to copy files.

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cp

copy

mv

move

Which of the following is always there in a computer.

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Batch system

Operating system

Time sharing system

Controlling system

if the CPU scheduling policy is FCFS then what would be average waiting time.

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10 ms

10.8 ms

12 ms

12.8 ms

Which command is used to record a user login session in a file.

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script

Record

Copy

Session

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