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Computer Science · all questions

UNIX
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Which of the following is not a content of inode?

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Which symbol is used to append an existing file?

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Which of the following shell(s) allows the user to run jobs in the background even when the user has logged out (without using nohup command)?

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UNIX supports preemptive multitasking.

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We can use find command for testing files with perl.

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wc command cannot take multiple filenames as arguments.

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Which of the following loop statements uses do and done keyword?

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When the pattern is not found in a file, grep command silently returns the prompt.

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Which option is used with touch command which forces the command not to create file, if it does not exists.

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C shell uses which command for assigning values to variables?

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What is group ownership?

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The file table contains . . . . . . . .

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The first line in any shell script begins with a . . . . . . . .

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Basic regular expressions are divided into . . . . . . . . categories.

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. . . . . . . . command performs copying of diskettes.

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What does the following command do?
$ mkdir dir   dir/dir_01/dir_02

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There can be multiple kernels on a single UNIX system.

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What does the following command do?
$ wc  sample.txt >  newfile

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Which key is used for absolute movement?

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File attributes are of major concern as compared to directory attributes while performing operations on file system.

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