31. When two files are identical, what is the output of diff command?
32. Which of the following command will remove the current crontab?
33. In a pipeline, the command on the left of | must use standard output and one on the right must use standard input.
34. We can list the jobs queued using at command by using . . . . . . . . option.
35. Which option is used with unzip command to view the contents of a compressed archive?
36. Which of the following are concatenation operators?
37. Which of the following functionalities is carried by the root user?
38. Which command is used for compressing and archiving files together?
39. To select lines containing gupta and agarwal, which command will be used?
40. awk allows the user to use variables of his own choice.
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