2.
Reason:
You'll need 2 volumes to dual boot Windows 7. Hard drives have gotten much larger and much less expensive, and if you're running Windows Vista, you already have built-in functionality to help you create a separate partition for testing.
What is umask?
How to set umask permanently for a user?
How to change the default run level in linux?
If a and b are 2 variables then the meaning of a<<=b is a) b = a << b b) a = a << b c) b = b << a d) a = a << b
Which one of the following is bit-wise 'exclusive or' operator? a) ^= b) |= c) != d) none of the mentioned
Which expression use the value of the enclosed arithmetic expression?
a) $(())
b) $()
c) ${}
d) $[]Which built-in command performs integer arithmetic in bash shell? a) let b) get c) set d) none of the mentioned
What is the output of this program? If 1) #!/bin/bash 2) a=2 3) b=4 4) let c=a**b 5) echo $c 6) exit 0 Options a) 8 b) 16 c) 32 d) none of the mentioned
Which one of the following is not a valid operator in bash shell? a) || b) ~ c) =<< d) -=
What is the output of this program? #!/bin/bash a=10; b=20 c=$((++a)) let a=c+a echo $a exit 0 a) 21 b) 22 c) program will generate an error message d) none of the above
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