81. The output of the following command is . . . . . . . .
$ echo ‘The special character $ echo hello and | ls chap*’
$ echo ‘The special character $ echo hello and | ls chap*’82. Which of the following characters are used with sed as anchoring characters?
83. . . . . . . . . option counts the number of lines containing the pattern?
84. We can escape the \ itself using escaping.
85. Which one of the following is the correct syntax for grep command?
86. cpio program can be used with redirection and piping.
87. . . . . . . . . function returns the first occurrence of a character in a string.
88. Which command will push the current foreground job to the background?
89. . . . . . . . . key is used for switching to command mode from input mode.
90. For interrupting a command, we can use . . . . . . . .
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