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Unix - Section 1 Multiple Questions and Answers.
| 26. | Which of the following special shell variables is used to process number of the last background job? | ||
| A. | $! | ||
| B. | $# | ||
| C. | $0 | ||
| D. | $* | ||
| 27. | Which option will be used with ps command to show the entire command line of the process being run? | ||
| A. | -4 | ||
| B. | -f | ||
| C. | -1 | ||
| D. | -2 | ||
| 28. | Which of the following command addresses all users who are currently hooked on? | ||
| A. | write | ||
| B. | |||
| C. | wall | ||
| D. | mesg | ||
| 29. | Which option is used with rm command to make the command prompt the user with each filename and a ?, before acting on it | ||
| A. | -r | ||
| B. | -x | ||
| C. | -i | ||
| D. | -1 | ||
| 30. | Which of the following directories contain all the Alias created by a user, including his login directory? | ||
| A. | /tmp | ||
| B. | /etc | ||
| C. | /usr | ||
| D. | /dev | ||
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