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LPI 010-160 Practice Test - Questions Answers, Page 7

Question list

List of questions

Question 61

(0)

What is the purpose of the PATH environment variable?

Question 62

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Which of the following commands sets the variable USERNAME to the value bob?

Question 63

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FILL BLANK What command displays manual pages? (Specify ONLY the command without any path or parameters.)

Question 64

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Which command copies the contents of the directory /etc/, including all sub-directories, to /root/?

Question 65

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Which of the following commands puts the lines of the file data.csv into alphabetical order?

Question 66

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Which of the following examples shows the general structure of a for loop in a shell script?

Question 67

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Which operator in a regular expression matches the preceding character either zero or one time?

Question 68

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The file script.sh in the current directory contains the following content: #!/bin/bash echo $MYVAR The following commands are used to execute this script: MYVAR=value ./script.sh The result is

Question 69

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What is the return value of a shell script after successful execution?

Question 70

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Which of the following commands creates the ZIP archive poems.zip containing all files in the current directory whose names end in .txt?

Question 61

What is the purpose of the PATH environment variable?

It allows the execution of commands without the need to know the location of the executable.

It increases security by preventing commands from running in certain locations.

It specifies the location of a user's home directory.

It indicates the location of the default shell to be used when a user logs in.

It contains the absolute path to the current directory.

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Question 62

Which of the following commands sets the variable USERNAME to the value bob?

set USERNAME bob

$USERNAME==bob

var USERNAME=bob

USERNAME<=bob

USERNAME=bob

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Question 63

FILL BLANK

What command displays manual pages? (Specify ONLY the command without any path or parameters.)

man

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Question 64

Which command copies the contents of the directory /etc/, including all sub-directories, to /root/?

copy /etc /root

cp -r /etc/* /root

cp -v /etc/* /root

rcp /etc/* /root

cp -R /etc/*.* /root

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Question 65

Which of the following commands puts the lines of the file data.csv into alphabetical order?

a..z data.csv

sort data.csv

abc data.csv

wc -s data.csv

grep --sort data.csv

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Question 66

Which of the following examples shows the general structure of a for loop in a shell script?

for *.txt as file => echo $file

for *.txt ( echo $i )

for file in *.txt do echo $idone

for ls *.txt exec {} \;

foreach @{file} { echo $i}

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Question 67

Which operator in a regular expression matches the preceding character either zero or one time?

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Question 68

The file script.sh in the current directory contains the following content:

#!/bin/bash echo $MYVAR

The following commands are used to execute this script:

MYVAR=value

./script.sh

The result is an empty line instead of the content of the variable MYVAR. How should MYVAR be set in order to make script.sh display the content of MYVAR?

!MYVAR=value

env MYVAR=value

MYVAR=value

$MYVAR=value

export MYVAR=value

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Question 69

What is the return value of a shell script after successful execution?

-1

-255

255

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Question 70

Which of the following commands creates the ZIP archive poems.zip containing all files in the current directory whose names end in .txt?

zip *.txt > poems.zip

zcat *.txt poems.zip

zip poems.zip *.txt

zip cfz poems.zip *.txt

cat *.txt | zip poems.zip

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LPI 010-160 Practice Test - Questions Answers, Page 7

Question list

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Question 61

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Question 62

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Question 63

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Question 64

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Question 65

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Question 66

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Question 67

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Question 68

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Question 69

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Question 70

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