Q. Which command is used to remove the read permission of the file 'note' from both the group and others?

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Q. Which of the following commands is used to display the directory attributes rather than its contents?

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Q. Which of the following files will displayed by this command cat *ch*

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Q. The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:

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Q. If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use

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Q. Which of the following is not a communication command.

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Q. Which of the following keys is used to move the cursor to the end of the paragraph.

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Q. Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?

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Q. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

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Q. Which command is used to remove a file?

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Q. Which symbol is used to separate more than one command in the same command line?

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Q. The agency that sits between the user and the UNIX system is called the

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Q. Which of the following commands is used to update access and modification times of a file?

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Q. Which command is used to count just the number of characters in a file?

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Q. Which of the following commands is used to list contents of directories?

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Q. Which command is used to display a file contents in octal form?

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Q. Which command will be used with vi editor to insert text to left of cursor?

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Q. In vi editor, forward search is performed using the command.

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Q. Which of the following special shell variables is used to process number of the last background job?

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Q. Which option will be used with ps command to slow the entire command line of the process being run?

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