71. To insert text into a file, . . . . . . . . mode is used.
72. The collection of memory locations that the process can access is called . . . . . . . .
73. What is the login name of system administrator?
74. Suppose ABD_DIR is a local variable. Then it will be accessible to the child process.
75. Suppose x =10, then what will be the value of x$x$?
76. Which of the following is a built-in function for awk?
77. Which option is used with the head command to specify line count to display?
78. until loop operates with a reverse logic as used in while loop.
79. To test whether perl is in your PATH, use . . . . . . . .
80. shutdown command is used by the administrator for shutting down the system.
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