Computer Science · all questions

UNIX
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Q261

To run the script, we should make it executable first by using . . . . . . . .

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Q262

Which stream is connected to the display?

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Q263

What is the function of cp command in UNIX?

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Q264

To append text after the current cursor location, we can use . . . . . . . . command

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Q265

. . . . . . . . option is used with the cut command for cutting fields.

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Q266

How many types of modes are used by vi editor?

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Q267

To delete all files in a directory we use . . . . . . . .

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Q268

sed can also perform the substitution.

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Q269

The most common file type is . . . . . . . .

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Q270

Which file descriptor is used to represent standard error stream?

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Q271

A perl program runs in a special interpretive mode.

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Q272

Providing a backslash (\) before the wild card to remove its special meaning is called . . . . . . . .

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Q273

The first UNIX editor was . . . . . . . .

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Q274

. . . . . . . . option is used with df command for displaying the total amount of disk space in the file system in terms of Kilobytes.

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Q275

expr is a . . . . . . . . command

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Q276

What is the output of the following command?

$ wc  -c  *.c

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Q277

The PATH for superuser doesn't include current directory.

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Q278

Which command is used to know the current line number?

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Q279

Which of the following command is used to suspend a job?

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Q280

Which command is used to display all the running and active real-time processes?

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