41. Which of the following command will be used to write the 4th line to file named file002?
42. We can use man command for displaying the documentation of man itself.
43. Which one of the following command will search history list for the previous command having the last occurrence of string cvf?
44. The parent id of a child is called . . . . . . . .
45. A file has a permission set as 000 i.e. — — —. Can the file be deleted?
46. . . . . . . . . command is used to display the environment variables only.
47. Which command is used for putting deleted lines or part of lines at a different location?
48. . . . . . . . . is a simple tool that will collect and show system input and output storage device statistics.
49. To delete from current cursor upto the first occurrence of }, which of the following will be used?
50. Which option is used to find command to search for files based on access time?
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