Computer Science · all questions

UNIX
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Q441

Jobs scheduled using batch command goes to a special at queue.

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Q442

Which one of the following is the most powerful filter?

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Q443

Which escape sequence is used with PS1 to show the hostname of our computer?

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Q444

Which of the following command is used with sed for outputting as well as printing the selected lines?

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Q445

Which of the following symbol is used to indicate the absence of a permission of a file?

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Q446

Which of the following is not a part of all the versions of UNIX?

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Q447

Using 'w' command we can . . . . . . . .

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Q448

Which option is used with pr command to display output along with line numbers?

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Q449

What does the following command do?

cp -u * dir_file

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Q450

There are . . . . . . . . modes of opening a file.

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Q451

A single read statement can be used with one or more variables.

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Q452

How many files are used for representing different standard streams?

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Q453

Which option is used with rm command for interactive deletion?

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Q454

Which option is used with paste command for joining lines?

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Q455

Pressing ':' in command mode invokes which mode of vi editor?

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Q456

In Shell's interpretive cycle, the shell first scans for . . . . . . . . in the entered command.

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Q457

The system administrator is also known as . . . . . . . .

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Q458

Which of the following commands will be used to delete 6 lines from the current cursor location?

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Q459

What will the output of the following command?

$ ps  -t  dev/console

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Q460

Command substitution requires the command to use . . . . . . . .

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