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Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
Unix - Section 1 Multiple Questions and Answers.
| 66. | The agency that sits between the user and the UNIX system is called the | ||
| A. | logic | ||
| B. | profile | ||
| C. | shell | ||
| D. | erxc | ||
| 67. | Which of the following commands is used to update access and modification times of a file? | ||
| A. | grep | ||
| B. | wc | ||
| C. | touch | ||
| D. | cat | ||
| 68. | Which command is used to count just the number of characters in a file? | ||
| A. | wc - 1 | ||
| B. | wc -c | ||
| C. | wc -w | ||
| D. | wc -r | ||
| 69. | Which of the following commands is used to list contents of directories? | ||
| A. | ls | ||
| B. | lp | ||
| C. | dir | ||
| D. | tar | ||
| 70. | Which command is used to display a file contents in octal form? | ||
| A. | cd | ||
| B. | od | ||
| C. | of | ||
| D. | oct | ||
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