51. A single read statement can be used with one or more variables.
52. How many files are used for representing different standard streams?
53. Which option is used with rm command for interactive deletion?
54. Which option is used with paste command for joining lines?
55. Pressing ':' in command mode invokes which mode of vi editor?
56. In Shell's interpretive cycle, the shell first scans for . . . . . . . . in the entered command.
57. The system administrator is also known as . . . . . . . .
58. Which of the following commands will be used to delete 6 lines from the current cursor location?
59. What will the output of the following command?
$ ps -t dev/console
$ ps -t dev/console
60. Command substitution requires the command to use . . . . . . . .
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