Os_Test

Os_Test

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

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Os_Test
Round robin scheduling is essentially the preemptive version of _____________ ?
Otázka 1 out of 20
FIFO SJF
Os_Test
What is a shell?
Otázka 2 out of 20
It is a command interpreter. It is a part of Compiler and Interpreter.
Os_Test
Multiprogramming systems __________________________________.
Otázka 3 out of 20
Execute each job faster. Execute more jobs in the same time.
Os_Test
The number of process completed per unit time is known as ______________.
Otázka 4 out of 20
capacity Throughput
Os_Test
A tree structured file directory system
Otázka 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 ___________.
Otázka 6 out of 20
interrupt polling
Os_Test
Process state if a part of ______________.
Otázka 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 _________
Otázka 8 out of 20
interrupt swapping
Os_Test
Real time Systems are ________________.
Otázka 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.
Otázka 10 out of 20
First fit Worst fit
Os_Test
__________ contains information about the file , including ownership , permissions and location of file contents.
Otázka 11 out of 20
FCB File Systems
Os_Test
The OS of a computer serves as a software interface between the user and the _______________.
Otázka 12 out of 20
hardware peripheral
Os_Test
The shell variable which holds the shell prompt is __________.
Otázka 13 out of 20
HOME PS1
Os_Test
Which of the following symbol represent redirection??
Otázka 14 out of 20
| <
Os_Test
The command used to display long listing of ile is :
Otázka 15 out of 20
ls -l ls -r
Os_Test
Which command is used to delete a directory?
Otázka 16 out of 20
rd -rf rm -rf
Os_Test
___________ command searches specifically for pattern parameters that are fixed strings.
Otázka 17 out of 20
fgrep sed
Os_Test
____ utility works by sequentially reading a file line by line into memory.
Otázka 18 out of 20
awk sed
Os_Test
We have two types of Environmental variables________________
Otázka 19 out of 20
Local and Global PS1 and PS2
Os_Test
Predict the outcome : a=( a b c d e) echo $a ->> ?
Otázka 20 out of 20
a a b c d e
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