Question 1

What is the default history file in the HP-UX POSIX shell?

technology operating systems

history
$HOME/.history
$HOME/.sh_history
/etc/history

Answer

Correct Option: C

Question 2

Which command displays the value of the HOME variable?

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echo $HOME
echo "$HOME"
echo HOME
echo $HOME

Answer

Correct Option: A

Question 3

Which mode is not used in vi editor?

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command mode
insert mode
preserve mode
last line mode

Answer

Correct Option: C

Question 4

The set_parms command is used to:

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set the hostname
set the time zone
set the IP
all the above

Answer

Correct Option: D

Question 5

What is the secondary system loader?

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the hpux utility
the init process
PDC
the /stand/system

Answer

Correct Option: A

Question 6

Which is not a standard state of any HP-UX process

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running
sleeping
zombie
printing

Answer

Correct Option: D

Question 7

Which file on HP-UX contains a list of standard port numbers for different applications?

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/etc/hosts
/etc/ports
/etc/services
/etc/protocols

Answer

Correct Option: C

Question 8

condition required for deadlock

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mutual exclusion
no preemtion
hold and wait
cycle

Answer

Correct Option: A,B,C,D

Question 9

paging technique lead to external fragmentation

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True
False

Answer

Correct Option: A

Question 10

virtual memory management is a dynamic paging concept

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True
False

Answer

Correct Option: A

Question 11

which one of following are scheduling algorithm

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fcfs
sjf
round robin
all of the above

Answer

Correct Option: D

Question 12

external fragmentation can be handled by

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compaction
defragmentation
it cannot be handled
none of the choice

Answer

Correct Option: A

Question 13

which is the fastest memory

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hard disc
main memory
cpu registers
cache memoy

Answer

Correct Option: C

Question 14

technique to handle deadlock

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deadlock prevention
deadlock detection
deadlock avoidance
all of the above

Answer

Correct Option: D

Question 15

indexing is used to sort

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True
False

Answer

Correct Option: B

Question 16

kernel is known to be the heart of operating sistem

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True
False

Answer

Correct Option: A

Question 17

What command is used to run another command immune to hangups, logouts,and quits?

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hup
nohup
attachtoroot
daemon

Answer

Correct Option: B

Question 18

What is sticky bit?

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It is a file permission that allows the program's text part to stay in swap memory after its execution
UNIX don’t have sticky bit
It’s a Linux only feature
None of above

Answer

Correct Option: A

Question 19

What is shadow in UNIX?

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It is a file
It is a process
It is a command
It is a file containing encrypted password & Login info

Answer

Correct Option: D

Question 20

can a file's modified timestamp be modified? If so how?

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No
Yes
Yes;using touch command
Yes;using time system call

Answer

Correct Option: C

Description: operating systems Online Quiz - 95
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: operating systems

operating systems Online Quiz - 95

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