41. What shell’s wild-card is used to match any number of characters including none?

A. *
B. ?
C. [!ijk] D. [ijk] E. None of the above

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42. What command is used to list contents of directories?

A. tar
B. dir
C. lp
D. ls
E. None of the above

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43. What command is used with vi editor to append text at end of line?

A. I
B. i
C. a
D. A
E. None of the above

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44. What command is used to copy directory structures in and out?

A. copy
B. cp – p
C. cpio
D. cp
E. None of the above

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45. In OSI network architecture, the dialogue control and token management are responsible of

A. data link layer
B. transport layer
C. network layer
D. session layer
E. None of the above

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