Computer Science · all questions

UNIX
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Q381

Which option is used with sort command to sort multiple files collectively?

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Q382

Which files will be displayed by the following command:

cat  *file*

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Q383

Which of the following symbol is used for matching the immediately preceding character?

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Q384

Which of the following is not a system defined variable?

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Q385

Which one of the following option is used for OR operation in test command?

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Q386

Which of the following files will not be deleted using "rm chap??" ?

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Q387

Which of the following is an associative array?

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Q388

A file named file01 should be readable, writable and executable only by the user(owner). Which one of the following set of command will be used?

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Q389

Which of the following operators is used with test for comparison of numeric values?

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Q390

-h option is used with who command for what purpose?

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Q391

Which system call is used to set a timer that generates the SIGALARM signal?

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Q392

Which command is used by the system administrator to set the date of the system?

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Q393

Which of the following statement is not true?

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Q394

Which of the following files are known as special files in UNIX?

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Q395

Any command using standard input can take the input from here document.

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Q396

If rmdir dir001 fails, what could be the reason(s)?

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Q397

We can use comparison operators without a '-'.

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Q398

The entire process life cycle is built around . . . . . . . . system calls.

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Q399

The following command will match the lines beginning with '2'.

$ grep “^2”  emp.lst

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Q400

Which option is used for backing up destination file in mv command?

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