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Suppose x =10, then what will be the value of x$x$?

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Suppose x =10, then what will be the value of x$x$?

(a) undefined

(b) erroneous

(c) 100

(d) x10$

I had been asked this question by my school principal while I was bunking the class.

The query is from Shell Programming using Various Commands topic in portion Essential Shell Programming of Unix

1 Answer

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Best answer
Right choice is (d) x10$

Easiest explanation: Since x contains the value 10, and $ symbol is used with any variable for displaying its value. So $x will display 10. Hence the output will be x10$.

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