Choose the correct answers if the command ls -l /dev/mt0 display's
brw_rw_ _ _ _ 1 root 3, 0 Apr18 1:05 mt0
A. | The 'b' indicates that it is a special file |
B. | mt0 indicates that it is a tape drive |
C. | The ' b' indicates that data transfer is done in blocks |
D. | All of these |
Answer : D Explanation : For regular (ordinary) files the first character (i.e. b here), will be just a underscore. For directories d. for character special files ' ' and ' b' for a block read special file. The last column will have lp for line printer. hp for disk drives. tty for terminals etc. The 3 in 3 , denotes the major device number and - minor device number. That is. this system denotes tape drives by 3 and 0 to single out a particular tape drive from the many tape drives, the system may have. |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |