91. Which command is used for extracting the details of the operating system?
92. For taking patterns from a file, -f option is specified with grep command.
93. Which of the following operator is used as a shorthand for test?
94. Which command is used for changing the current directory?
95. $ cp file_01 . copies the file named file_01 in . . . . . . . . directory
96. grep command can be used for searching a pattern in more than one file.
97. If the destination file does not exists, then mv command creates it.
98. For restoring files using tar, . . . . . . . . option is used.
99. When we create a file, we are the owner of a file.
100. Which option is used with gzip command for recursive compression?
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