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

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

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

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

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

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