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Unix - Section 3 Multiple Questions and Answers.
| 11. | Which of the following special shell variables is used to process number of the current shell? | ||
| A. | $! | ||
| B. | $$ | ||
| C. | $0 | ||
| D. | $* | ||
| 12. | Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files? | ||
| A. | -l | ||
| B. | -d | ||
| C. | -r | ||
| D. | -b | ||
| 13. | Which command is used with vi editor scroll half page backward? | ||
| A. | [Control-d] | ||
| B. | [Control - u] | ||
| C. | [Control-c] | ||
| D. | [Control -P] | ||
| 14. | Which of the following keys is used to delete the character beneath the cursor? | ||
| A. | x | ||
| B. | X | ||
| C. | dd | ||
| D. | D | ||
| 15. | Which command will be used with vi editor to append text at end of line? | ||
| A. | A | ||
| B. | a | ||
| C. | i | ||
| D. | I | ||
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