Computer Science · all questions

UNIX
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Q581

Input mode is used for . . . . . . . .

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Q582

Which of the following action can be taken by a process upon receiving a signal?

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Q583

Which command is used for saving and quitting the editor simultaneously?

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Q584

Which of the following key options is used with tar to create an archive?

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Q585

System calls and library functions are same.

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Q586

Which of the following signals can neither be ignored nor catch?

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Q587

To assign execute permission to the user (owner) for a file named file01.txt, which of the following command will be used?

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Q588

Which of the following functions are used for obtaining and setting the value of environment variables?

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Q589

To create a space for entering a new line of text above the current cursor location, 'O' command is used.

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Q590

To copy (yank) lines in vi editor, we use . . . . . . . . command.

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Q591

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

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Q592

Which option is used with touch command to change the time of last file modification?

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Q593

Which of the following is not stored in inode?

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Q594

. . . . . . . . implies greater than and . . . . . . . . implies less than.

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Q595

'10u' command will reverse our 10 last editing actions.

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Q596

Every feature used in an interactive shell can also be used by a shell script.

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Q597

Which of the following system call is used for duplicating file descriptor?

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Q598

The vnode table is also called . . . . . . . .

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Q599

. . . . . . . . system call is used for positioning the offset pointer.

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Q600

When touch command is used without any options or expression, both times are set to current time and the file is created if it doesn't exist.

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