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MCQ Tutorial - Linux->Command

                        
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136.) What is the output of this program?
   #! /usr/bin/awk -f
   BEGIN {
       for(i=0;i<=5;i++) {
           print i
           i++
       }
   }
Options are:
A.) Syntax error because i is not initialised
B.) 0,2,4 will print
C.) 1,3,5 will print
D.) 1,2,3,4,5 will print
137.) Which command creates an empty file if file does not exist?
Options are:
A.) cat
B.) read
C.) touch
D.) ed
138.) Which option of rm command is used to remove a directory with all its subdirectories
Options are:
A.) p
B.) r
C.) b
D.) o
139.) What is the output of this program?
   #! /usr/bin/awk -f
   BEGIN 
   {
       two=2;
       two++;
       print two 
   }
Options are:
A.) Two
B.) 2
C.) 3
D.) Three
140.) What is sed?
Options are:
A.) A non-interactive stream editor
B.) None of the options
C.) An IDE
D.) A hex editor
                        
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