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102-500 Exam Dumps - LPIC-1 Exam 102, Part 2 of 2, version 5.0

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Question # 41

Which command allows you to make a shell variable visible to subshells?

A.

export $VARIABLE

B.

export VARIABLE

C.

set $VARIABLE

D.

set VARIABLE

E.

env VARIABLE

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Question # 42

Which of the following commands puts the output of the command date into the shell variable mydate?

A.

mydate="$(date)"

B.

mydate="exec date"

C.

mydate="$((date))"

D.

mydate="date"

E.

mydate="${date}"

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Question # 43

By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)

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Question # 44

What output will the following command sequence produce?

echo '1 2 3 4 5 6' | while read a b c; do

echo result: $c $b $a;

done

A.

result: 3 4 5 6 2 1

B.

result: 1 2 3 4 5 6

C.

result: 6 5 4

D.

result: 6 5 4 3 2 1

E.

result: 3 2 1

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Question # 45

What command displays all aliases defined in the current shell? (Specify the command without any path information)

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Question # 46

Which of the following is the best way to list all defined shell variables?

A.

env

B.

set

C.

env -a

D.

echo $ENV

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Question # 47

What is the difference between the commands test -e path and test -f path?

A.

They are equivalent options with the same behaviour.

B.

The -f option tests for a regular file. The -e option tests for an empty file.

C.

Both options check the existence of the path. The -f option also confirms that it is a regular file.

D.

The -f option tests for a regular file. The -e option tests for an executable file.

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Question # 48

Which of the following words is used to restrict the records that are returned from a SELECT query based on a supplied criteria for the values in the records?

A.

LIMIT

B.

FROM

C.

WHERE

D.

IF

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