51. We can perform sorting on secondary key also using sort command.
52. Which command is used for executing jobs according to their priority?
53. The "ed" text editor is no longer in use.
54. Which one of the following command is invalid?
55. The default action if selection_criteria is missing is . . . . . . . .
56. Which of the following option is used with a set for debugging shell scripts?
57. vi used . . . . . . . . to enter control characters.
58. Which of the following is not true about awk arrays?
59. Two UNIX systems may or may not use the same set of system calls.
60. Which one of the following is the best way of saving and quitting the editor?
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