61. Which command would be most suitable to remove the following files?
dirx diry dirz dirzw
dirx diry dirz dirzw62. Which option is used for printing multiple copies of a file using lp command?
63. Which option is used with ln command to create a soft link?
64. . . . . . . . . command will bring the background jobs to the foreground.
65. echo command is used for . . . . . . . .
66. The category of commands which uses both standard input and standard output are called . . . . . . . .
67. Which option is used for counting the number of lines in a file only.
68. Which of the following is a correct initialization of variables to null strings?
69. Which one of the following option is used for locating the files by inode number?
70. When the process has completed its execution it is called . . . . . . . .
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