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Latest CompTIA Linux+ LX0-104 study guide
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The safer , easier way to help you pass any IT exams. 1. Topic 1, Shells, Scripting and Data Management
What is true regarding the statement beginning with #! that is found in the first line of a script?
A. It prevents the script from being executed until the ! is removed.
B. It specifies the path and the arguments of the interpreter used to run the script.
C. It is a comment that is ignored by the script.
D. It specifies the character encoding of the script.
Answer: B
2.Which Bash option prevents a user from accidentally overwriting a file with a ">"?
A. set -o safe
B. set -o noglob
C. set -o noclobber
D. set -o append
E. set -o nooverwrite
Answer: C
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3.Which of the following commands prints the exit value of the most recently executed program in Bash?
A. echo $?
B. echo $#
C. echo $exit
D. echo $status
E. echo $&
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Answer: A
Answer: fi
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4.What word will complete an if statement in bash such as the following: if [ -x "$file" ]; then echo $file
_____ (Please provide the missing word only)
5.What word is missing from the following SQL statement? update tablename ____ fieldname='value'
where id=909; (Please specify the missing word using lower\_case letters only.)
Answer: set
2/2
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