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Question No.21
Which command line can be used to search help files that mention the word quot;copyquot;?
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man -k copy
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whatis copy
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man copy
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copy help
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copy -help
Correct Answer: A
Question No.22
Which command shows all of the directories that the shell searches for programs?
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less $PWD
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echo $PATH
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more $ALL_PATH
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get $PATH
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cat $PATH
Correct Answer: B
Question No.23
Which of the following is a valid option for a typical command to get its built-in usage information?
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-?
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-H
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help
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manual
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-help
Correct Answer: E
Question No.24
Which of the following is an example of globbing?
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ls /etc/ 2gt; files.txt
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ls /etc/ gt; files.txt
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ls /etc/*.txt
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ls /etc/ | more
Correct Answer: C
Question No.25
Which of the following commands increases the number of elements in a directory? (Choose two)
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touch newfile
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create newfile
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ls newfile
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rmdir newdirectory
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mkdir newdirectory
Correct Answer: AE
Question No.26
In order to rename the directory ~/bilder/letzter-urlaub to ~/bilder/sommer-2011, which command line could be used?
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mv ~/bilder/letzter-urlaub ~/bilder/sommer-2011
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move ~/bilder/letzter-urlaub ~/bilder/sommer-2011
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cp -m ~/bilder/letzter-urlaub ~/bilder/sommer-2011
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copy -m ~/bilde/letzter-urlaub ~/bilder/sommer-2011
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rename ~/bilder/letzter-urlaub ~/bilder/sommer-2011
Correct Answer: A
Question No.27
Which of the following commands will display a list all files in the current directory including the hidden files?
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ls -a
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ls hidden
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ls -h
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ls -a
Correct Answer: A
Question No.28
What command would you use to get comprehensive documentation about any command in Linux?
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help command
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echo command
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locate command
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man command
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get command
Correct Answer: D
Question No.29
Which command will delete the directory foo with all its content?
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rmdir -a foo
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rm -r foo
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rm -a foo
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rmdir foo
Correct Answer: B
Question No.30
Which command is used to make a shell variable known to subsequently executed programs?
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export
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announce
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env
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transfer
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mv
Correct Answer: A
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