Q. How can we identify executables and directories from the output of ls command?

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Q. $ ls -R outputs all files and subdirectories in a recursive manner.

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Q. –r option is same as –R option in ls command.

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Q. What does the –S option do in ls command?

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Q. ls –s prints the allocated file size in blocks.

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Q. Apart from displaying file contents, cat command is also used for _____ files.

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Q. Multiple arguments as filenames can be specified in cat command.

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Q. Which symbol is used with cat command for creating files?

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Q. If we create a file using cat command with the same filename which already exists in the current directory then,

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Q. Which symbol is used to append an existing file?

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Q. Which option is used with cat command for displaying non-printable characters?

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Q. Which option is used with the cat command for displaying file with line numbers?

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Q. Which of the following cannot be performed by cat command?

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Q. What does cat file01 file01 file01 display?

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Q. Which files will be displayed by the following command:

cat *file*

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Q. Which command is used to create empty files?

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Q. Which option is used with touch command which forces the command not to create file, if it does not exists.

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Q. Which one of the following commands is incorrect?

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Q. What happens if the destination file specified in cp command does not exist?

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Q. Which of the following is not an option of cp command?

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