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Computer Science · all questions

UNIX
practice.

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Which command would be most suitable to remove the following files?
dirx  diry  dirz  dirzw

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Which option is used for printing multiple copies of a file using lp command?

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Which option is used with ln command to create a soft link?

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. . . . . . . . command will bring the background jobs to the foreground.

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echo command is used for . . . . . . . .

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The category of commands which uses both standard input and standard output are called . . . . . . . .

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Which option is used for counting the number of lines in a file only.

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Which of the following is a correct initialization of variables to null strings?

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Which one of the following option is used for locating the files by inode number?

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When the process has completed its execution it is called . . . . . . . .

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Which option is used with lp command if there are more than one printers in the system?

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/* and f* are same.

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test and [ ] can be used for string comparison.

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Which symbol is used with find command for specifying arguments?

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We can schedule a job to run at a specified time of day using . . . . . . . . command.

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A super user can use . . . . . . . . call for creating a directory.

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Which one of the following command is used for killing the last background job?

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If the child dies first but the entry of that child in the process table is still present, then that process is called . . . . . . . .

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We can use a test to test various file attributes.

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Which option is used for checking if the file exists or not?

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