Mastering Linux Shell Scripting - Second Edition

Questions

1. What is the result of the following code: True or False?

if [ "LikeGeeks" \> "likegeeks" ]  
then 
echo "True" 
else 
echo "False" 
fi 

2. Which one of the following scripts is correct?

#!/bin/bash 
if ! [ "mokhtar" = "Mokhtar" ]  
then 
echo "Strings are not identical" 
else 
echo "Strings are identical" 
fi 

Or

#!/bin/bash 
if [ "mokhtar" != "Mokhtar" ]  
then 
echo "Strings are not identical" 
else 
echo "Strings are identical" 
fi

3. How many commands can be used as an operator to return True in the following example?

#!/bin/bash 
if [ 20 ?? 15 ] 
then 
echo "True" 
else 
echo "False" 
fi 

4. What is the result of the following code?

#!/bin/bash 
mydir=/home/mydir 
name="mokhtar" 
if [ -d $mydir ] || [ -n $name ]; then 
   echo "True" 
else 
echo "False" 
fi