Os_Test

Os_Test

Check how much u have prepared OS/UNIX?? Fail!! ? Succcesss ?

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Os_Test
Round robin scheduling is essentially the preemptive version of _____________ ?
Fråga 1 out of 20
FIFO SJF
Os_Test
What is a shell?
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It is a command interpreter. It is a part of Compiler and Interpreter.
Os_Test
Multiprogramming systems __________________________________.
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Execute each job faster. Execute more jobs in the same time.
Os_Test
The number of process completed per unit time is known as ______________.
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capacity Throughput
Os_Test
A tree structured file directory system
Fråga 5 out of 20
allows easy storage and retrival of file names. is not essential when we have millions of iles.
Os_Test
The hardware mechnism that enables a device to notify the CPU is called ___________.
Fråga 6 out of 20
interrupt polling
Os_Test
Process state if a part of ______________.
Fråga 7 out of 20
Inode Process Control Block
Os_Test
The removal of process from active contention of CPU and reintroduce them into memory later is known as _________
Fråga 8 out of 20
interrupt swapping
Os_Test
Real time Systems are ________________.
Fråga 9 out of 20
used for monitoring events as they occur. used for real time interactive users.
Os_Test
___________ allocates largest hole ( free fragment) available in the memory.
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First fit Worst fit
Os_Test
__________ contains information about the file , including ownership , permissions and location of file contents.
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FCB File Systems
Os_Test
The OS of a computer serves as a software interface between the user and the _______________.
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hardware peripheral
Os_Test
The shell variable which holds the shell prompt is __________.
Fråga 13 out of 20
HOME PS1
Os_Test
Which of the following symbol represent redirection??
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| <
Os_Test
The command used to display long listing of ile is :
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ls -l ls -r
Os_Test
Which command is used to delete a directory?
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rd -rf rm -rf
Os_Test
___________ command searches specifically for pattern parameters that are fixed strings.
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fgrep sed
Os_Test
____ utility works by sequentially reading a file line by line into memory.
Fråga 18 out of 20
awk sed
Os_Test
We have two types of Environmental variables________________
Fråga 19 out of 20
Local and Global PS1 and PS2
Os_Test
Predict the outcome : a=( a b c d e) echo $a ->> ?
Fråga 20 out of 20
a a b c d e
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