Computer Science · all questions

UNIX
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Q921

awk uses . . . . . . . . dimensional arrays.

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Q922

Which command is used to display the differences between files?

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Q923

Which one of the following command is used to create a child shell?

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Q924

To navigate 20 pages forward, we can use . . . . . . . . command.

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Q925

We can use the . . . . . . . . symbol with at command to redirect our output to a specified file.

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Q926

. . . . . . . . system call behaves in an identical manner to the kill command.

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Q927

The following command will match 'Agarwal', 'agarwal' and 'agrawal'.

$ grep "[aA]g[ar][ar]wal" emp.lst

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Q928

awk uses . . . . . . . . for splitting a line into fields.

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Q929

For pattern-matching, awk uses regular expressions in . . . . . . . . style.

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Q930

Which one of the following is not an attribute displayed by ls command?

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Q931

To return back to the editor from shell prompt we use . . . . . . . . command.

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Q932

tee is an internal command.

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Q933

We cannot leave the flag field empty while performing the substitution.

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Q934

Two files can have a same inode number in the same file system.

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Q935

Which of the following is used with access call for checking the owner's permissions?

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Q936

Which option is used with gzip command to check compression ratio for files?

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Q937

The shell has . . . . . . . . prompts.

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Q938

. . . . . . . . operator is used for selecting current line number.

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Q939

Which option is used by tar to append files to the end of an archive?

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Q940

Which of the following commands are used for the maintenance of user accounts?

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