Upgrades.
Reason:
If you are only upgrading your operating system, USMT is not needed.
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 $a exit 0 a) 21 b) 22 c) program will generate an error message d) none of the above
What is the output of this program? #!/bin/bash a=10 b=$(( $a<0?10$a<100 )) echo $b exit 0 a) 10 b) 20 c) 1 d) 0
What is the output of this program? #!/bin/bash a=10 b=$(( $a<0&&$a<100 )) echo $b exit 0 a) 10 b) 0 c) 1
What is the output of this program? #!/bin/bash a=1; b=2; c=3 d=$(( ++a**b*c++ + a )) echo $d exit 0 a) 14 b) 12 c) program will generate an error message d) none of the mentioned
Which command sets up shorthand for command or command line? a) set b) alias c) new d) echo
What is the function of bind command in bash shell? a) defining new macros b) defining new key bindings for existing commands c) dumping the installed key bindings d) all of the mentioned
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