Linux Bash Arithmetic Expressions Question:
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5. After running this program, as you press 's', what will be the output of the program?
#!/bin/bash
echo "press 's' to print interviewquestionsanswers"
read var
if $var=s
then
echo "interviewquestionsanswers"
else
echo "You did not press s"
fi
exit 0
a) interviewquestionsanswers
b) You did not press s
c) program will generate an error message
d) none of the mentioned

Answer:

c) program will generate an error message

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After running this program, as your press 4, what will be the output of the program?
#!/bin/bash
echo "How many times you want to print 'globalguideline'"
read value
for ((i=0;i<$value;i++))
do
echo "globalguideline";
done
exit 0
a) 'globalguideline' will print 4 times
b) 'globalguideline' will print 3 times
c) 'globalguideline' will print 5 times
d) program will generate an error message
Which command executes 'command' in place of the current process instead of creating a new process?
a) exec
b) command
c) trap
d) none of the mentioned