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Computer Science · all questions

UNIX
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Which option displays only the filename containing the pattern?

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The command fg %1 will bring the first background job to the foreground.

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Which command is used for mapping keys of a keyboard?

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The SUID for any file can be set by the administrator using . . . . . . . .

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To change the default tab stop spaces in vi, . . . . . . . . can be used with :set.

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cd /bin/user/directory/abc is an example of relative pathname.

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When we can access a file with multiple filenames, it is said that the file has multiple . . . . . . . .

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What is a superuser?

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. . . . . . . . command is used for displaying the end of the file.

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What if the destination file specified in mv command already exists?

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Which option is used with uniq command for selecting non-repeated lines?

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The following command will. . . . . . . .
!! tr ‘[a-z]’  ‘[A-Z]’

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Which function is used for handling substitutions in perl?

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To spawn a child of our own choice for running the script, we can use . . . . . . . . command.

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For automatic indentation, . . . . . . . . is used with : set command.

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. . . . . . . . statement matches an expression for more than one alternative.

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For displaying the archive, -t option is used with the tar command.

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. . . . . . . . and . . . . . . . . cannot be used in a filename.

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Which of the following keyword is not supported by at command?

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Which of the following is not a valid command?

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