71. A perl program runs in a special interpretive mode.
72. Providing a backslash (\) before the wild card to remove its special meaning is called . . . . . . . .
73. The first UNIX editor was . . . . . . . .
74. . . . . . . . . option is used with df command for displaying the total amount of disk space in the file system in terms of Kilobytes.
75. expr is a . . . . . . . . command
76. What is the output of the following command?
$ wc -c *.c
$ wc -c *.c77. The PATH for superuser doesn't include current directory.
78. Which command is used to know the current line number?
79. Which of the following command is used to suspend a job?
80. Which command is used to display all the running and active real-time processes?
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